AUTHOR INDEXINDUSTRIAL AND ENGINEERING CHEMISTRY
ANALYTICAL EDITION
VOLUME 2— 1930
A B B O T T , F. D. Testing of Autom otive Rubber Parts Assembled under Compression. I — Deflection under Compression, 145; I I —C om pression -Set and Som e Specia l T e s ts .................................................. 153
A c r e s , S. F ., a n d F a w c e t t , E . H . P rob lem o f D ilu tion in C o lo r im etric I I - I o n M easu rem ents. I I — U se o f Is oh yd r ic In d ica to rs and Superpure W a te r fo r A ccu ra te M easu rem en t o f H yd ro g en Io n C oncen tra tions and Sa lt E r ro rs .......................................................... 78
a n d K l i n e , G . M . E s tim a tion o f A ldose Sugars b y T it r a t in g w ithS tandard Iod in e and A lk a li. M o d ifie d M e th o d .................................... 413
a n d S l a t e r , C . S. M e th o d fo r E s tim a tin g A ld ose Sugars b y T i t r a tion w ith Iod in e and A lk a l i ........................................................................... 274
A d d l e s t o n e , J. A . E ffe c t o f Illiu m C ruc ib les on V o la t ile D e te rm in a tion in C o a l . . 422
A l l e n , N e l s o n . Q u a n tita t iv e D e term in a tion o f S m all A m ou n ts o fH yd rogen P e rox id e and o f O zo n e ............................................................... 55
A l l e n , R . P . M e th o d o f M a k in g M icro -S ec tion s o f R u b b er S tocks . . 311‘A m b r o s e , P . M ., W i l e y , R . C ., a n d B o w e r s , A . D . T it r a t io n o f
L ead S a lts ............................................................................................................... 415A m d u r , I . , a n d H j o r t , E , V , N e w M icroscop e H o t S ta g e ........................ 259A n a l y t ic a l R e a g e n t s , C o m m it t e e o n . R ecom m en d ed Spec ifica
tions fo r A n a ly tic a l R ea gen t C h em ica ls ................................................... 351A n d r e w s , J. C ., a n d M i l l e r , H . K , Source o f E rro r in Po lariscop ic
M easu rem en ts ..................................................................................................... 283A r c h ib a l d , R . C ., F k s k o v , G ., E v a n s , H . M ., C o r n is h , R . E ., a n d
L e p k o v s k y , S. C onstru ction and U se o f R asch ig 's L a b o ra to ryF ra c tion a tin g C o lu m n ..................................................................................... 339
A v e r y , S ., a n d H a y m a n , D . C arbon , H yd rogen , and N itro g e n D e te rm inations U sing a M e ta l T u b e ................................................................. 336
B A H L M A N N , E . F ., D e B e a u k e l a k r , F . L . , P o w e l l , J. R ., a n d Sh k b l y , M . L . S tandard M e th o d s (R e v is e d ) fo r D eterm in in gV isco s ity and J e lly S tren g th o f G lu e ......................................................... 348
B a l l , J. M ., S o m e r v il l e , A . A ., a n d E d l a n d , L . A . A u tograph icS tress-Strain C u rves o f R u b b er a t L o w E lon ga tion s . ..................... 289
B a r n a r d , M o n r o e , a n d M c M ic h a e l , P a u l . Q u a n tita t iv e A n a lys isb y M on och rom a tic T ran sm iss ion ................................................................ 363
B a r n e s , J. W . Appara tu s fo r D es tru c tiv e O x id a tion o f O rgan icM a te r ia l in D e term in a tion o f M e ta ls in F o o d s ..................................... 107
a n d M u r r a y , C . W . A ccu racy o f G u tze it M e th o d fo r D e te rm ination o f M in u te Q u an tities o f A rs en ic ..................................................... 29
B a r n it t , J. B ., D e r r , R . B ., a n d S c r ip t u r e , E . W ., J r . A lu m in ain a N e w F o rm as L a b o ra to ry D es ic ca n t................................................ 355
B a r t l e s o n , T . L ., a n d S t il l m a n , J. W . C on ven ien t A rran gem en tfo r T it r a t io n T a b le ............................. . . .................................... . ............... 108
B a t e s , O . K . C om parison o f Fused S ilica , G o ld , and P la tin u m L in ings fo r C a lo r im eter B o m b s .............................................................................. 162
B a v e r , L . D ., a n d R e h l in g , C . J. U se o f B ariu m S u lfa te fo r C la r ify in g Soil Suspensions w ith P a rticu la r R e fe ren ce to C o lo r im etr icp H D e te rm in a tion s .............................................................................................. 338
B b is w e n g e r , G . A ., a n d C h il d , W . C . T ru e B o ilin g C ru de A n a lys is . 284B b n e d e t t i- P ic h l e r , A . Im p ro v ed T ech n ic fo r Q u a lita t iv e M ic ro
A n a lys is o f S ilve r G ro u p ................................................................................... 309B e n e d ic t , H . C . P o la r iz in g M icroscope in O rgan ic C h em is try 91B u n t , H . E . L a b o ra to ry S h a k e r ........................................................................ 106B i l l i n g , W . M ., a n d T in s l e y , J. S. D e te rm in a tion o f N itro g en and
A c e ty l C on ten t o f C ellu lose N it r o a c e ta te ................................................. 380B i t t i n g , C . D ., P ic c a r d , J., a n d P e t e r s o n , E . G . D e term in a tion o f
O xides o f N itro g en (ex cep t N itro u s O x id e ) in L o w C on cen tra tion . 294B o g u b , R . H ., a n d L e r c h , W i l l ia m . R e v is ed P rocedu re fo r D e
term in a tion o f U ncom b ined L im e in P o rtlan d C e m e n t........................ 296B o o t h , H . S . B a ro -B u re t— A N e w A ccu ra te G as B u re t .......................... 182
a n d Jo n e s , N . C . B aro -B u ret. I I — A p p lica tion to G as E v o lu tion M e th o d s o f A n a ly s is ............................................................................... 237
a n d M c I n t y r e , L . H . B arium O x id e as D es ic ca n t.............................. 12B o u t w e l l , P . W ., a n d T o e p f k r , E . W . A p p lica tio n o f B u rgess-Parr
Su lfu r P h o tom eter to R a p id D eterm in a tion o f Su lfu r in F ood s andB io log ica l M a te r ia l .............................................................................................. 118
B o w e r s , A . D ., W i l e y , R . C ., a n d A m b r o s e , P . M . T it r a t io n o fL ead S a lts ............................................................................................................... 415
B r e w e r , J. E ., F a r m e r , H a r o l d , J o n e s , M . C . K . , a n d P o r t e r , I I .C . O bserva tions o f M ic ro -P y ro m e te r and G as-Fu rnace M e th od sfo r D eterm in a tion o f Fusion P o in t o f C oa l A s h ................................... 325
B r e w s t e r , J. F ., a n d P h e l p s , F . P . C o lo r in th e Sugar In du stry .I l l — Prepara tion o f A sbestos fo r U se as a F ilte r A id .......................... 373
•r id g e s , R . W ., a n d C h u r c h il l , H . V . A lu m in u m H o t P la te andD u tch O v e n ......................................................................................................... 335
C h u r c h il l , H . V ., a n d L e e , M . F . D e te rm in a tion o f B ery lliu min A lu m in u m ....................................................................................................... 405
B r o w n , M . H ., a n d R e e d y , J. H . D eterm in a tion o f L ith iu m .............. 304B r u u n , J. H . C on ven ien t R e flu x R egu la to r fo r L a b o ra to ry S t i l ls 187B u e h r k r , T . F ., a n d M a s o n , C . M . C u p ric O x id e as S tandard in
Io d im e try . (C o rresp on d en ce ).................................................................... 138B u r n s , R . M ., a n d C l a r k e , B . L . E s tim a tion o f V o la t ile W o o d
A c id s C orros ive to L ea d C ab le S h ea th ..................................................... 86B u s s e , W . F ., a n d D o g g e t t , W . B. A p p lica tion o f F a llin g C y lin d e r
t o M easu rem en t o f V is co s ity o f T h ic k R u b b er C em en ts .................. 314B y k r , W . J., a n d E n g l is , D . T . D e te rm in a tion o f D ex trose in P res
ence o f L e v u lo s e ................................................................................................. 121
C A D W E L L , S . M „ T e m p l e , J. W ., a n d M e a d , M . W . , Jr . E a r ly S tages o f O xida tion in R u bber. Q u a n tita t iv e A p p lica tion o f the P y r ro le T e s t ......................................................................................................... 377
Ca l ij y , E. R . Device for Rapid Estimation o f Density o f Small‘ Amounts o f Solids...................................................................................
Filtration P ipct for Spot Indicator T ests ...............................................C a l in g a e r t , G eo rg e , a n d E dg ar , G r a h a m . Determination o f
Sulfur in Gasoline...................................................................................C h il d , W . C., a n d B b is w e n g e r , G. A. True Boiling Crude Analysis. C h u r c h il l , H . V., a n d B rid ges , R . W . Aluminum H ot P late and
Dutch O ven .............................................................................................B rid g es , R . W ., a n d L e e , M . F. Determination o f Beryllium in
Alum inum................................................................................................C l a r k , G. L ., a n d St il l w e l l , C. W . ‘ X -R a y Examination o f Com
mercial Galvanized Iron by M odified Reflection M eth od ..............C l a r k e , B. L ., a n d B u r n s , R , M . Estimation o f Volatile W ood
Acids Corrosive to Lead Cable Sheath...............................................a n d W o o te n , L . A. Nu ll-Poin t Method o f Potentiom etric T itra
tion for Determining Acid or A lkali in Paper...................................C o b u r n , H . IT. Acid Numbers o f Dark-Colored Resins.........................C o l l in s , W . D ., et al. Recommended Specifications for Analytical
Reagent Chem icals.................................................................................C o m pto n , K . G., an d G e l b a c h , R . W . T itration o f Lead by Means
of a Therm ionic T itrom etcr.................................................................C o n t e , E r n e st . M odified Th iele M elting-Poin t Apparatus.................C oo per , L . V . Laboratory Evaluation o f Flex-Cracking Resistance. C o r n ish , R . E., E v a n s , I I . M ., L e p k o v s k y , S., A r c h ib a ld , R . C.,
a n d F k sk o v , G. Construction and Use o f Raschig's LaboratoryFractionating Colum n...........................................................................
C r a ig h e a d , C. M . Determination o f Aluminum and Magnesium inZinc-Base Die-Casting A lloys ...............................................................
C u th b k r tso n , A. C., an d M oo re , L . P . Im proved Vacuum-Tube Falling-Ball V iscom eter.........................................................................
D A V IE S , J. M ., K a r r b r , E., a n d D ie t b r ic ii, E. O. SimplifiedGoodrich Plastom eter............................................................................
D a v is , D . S. Vapor-Pressure P lotting Paper..........................................D a v is , H . S., a n d Q u io g l e , D o r o th y . Problems in Estimation o f
Unsaturated Hydrocarbons in Gases. I I — Some Lim itationsin Separations by Sulfuric A c id ...........................................................
D a v is , R . E., a n d I n g e r so ll , C. D . Measurement o f T u rb id ity___D e B e a u k e l a k r , F. L ., P o w e l l , J. R., B a h l m a n n , E. F., a n d Sh e e l y ,
M . L . Standard Methods (Revised) for Determining Viscosityand Jelly Strength o f G lue....................................................................
D e r r , R . B., Ba r n it t , J. B., a n d Sc r ip t u r e , E. W ., J r . Alumina ina N ew Form as Laboratory Desiccant...............................................
D e W i t t , C. C. Im proved Bartell-Osterhof C e ll...................................D ie t e r ic h , E. O. Estimation o f Degree o f Penetration o f Rubber
into Fabrics..............................................................................................K a r r k r , E., a n d D a v ie s , J. M . Simplified Goodrich Plastometer.
D og gett , W . B., a n d B usse , W . F. Application o f Falling Cylinderto Measurement o f Viscosity of Th ick Rubber Cements................
D u n n , E. J., Jr . M icroscopic Measurements for Determination o f Particle Size o f Pigments and Powders...............................................
E D G A R , G R A H A M , a n d Ca l in g a e r t , G eo rg e . Determinationo f Sulfur in Gasoline..............................................................................
E dg e , R ic h a r d , Determination o f Sulfur in Insecticides and Fungicides by Carbon Disulfide Extraction .................................................
E d la n d , L. A., So m e r v il l e , A . A ., a n d Ba l l , J. M . AutographicStress-Strain Curves o f Rubber at Low Elongations.......................
E dw ard s , P. W ., a n d H ar r is o n , R . W . Apparatus for D eterm ination of Ignition Tem perature o f Powder Substances...................
E is n e r , H a n s . Substitute for Amalgamation in Testing BituminousMaterials for M elting Point, Ductility, and Float T e s t....................
E n g l is , D. T ., a n d B y e r , W . J. Determination o f Dextrose inPresence o f Levu lose...........................................................................
E r n s t , E. J., Jr ., a n d W a l k e r , A. C. Moisture Content o f Com pressed N itrogen .....................................................................................
Preparation o f A ir of Known Hum idity and Its Application to Calibration o f an Absolute-Hum idity Recorder........................................
E s k e w , W . E., a n d V il b r a n d t , F. C. Duplex W eighing T u b e .............E v a n s , H . M ., C o r n is h , R . E., L e p k o v s k y , S., A r c h ib a l d , R . C.,
a n d F b sk o v , O. Construction and Use o f Raschig’s Laboratory Fractionating Colum n...........................................................................
F A R A G H E R , W . F., M o r r e ll , J. C., a n d L e v in e , I. M . D eterm ination o f Olefin and Arom atic Hydrocarbons...................................
F a r m e r , H a r o ld , Jo n e s , M . C. K ., B r e w e r , J. E., a n d P o r te r , II. C. Observations o f M icro-Pyrom eter and Gas-Furnace Methodsfor Determination o f Fusion Point o f Coal Ash ....................... ..
F a r r a r , D. F. Special Hydrom eter for Aqua Am m onia........................F a w c e t t , E. H., a n d A cre k , S. F. Problem o f Dilution in Colori
metric H -Ion Measurements. I I — Use o f Isohydric Indicators and Superpure W ater for Accurate Measurement o f H ydrogenIon Concentrations and Salt Errors....................................................
F k sk o v , G., E v a n s , H . M ., C o r n is h , R . E., L e p k o v s k y , S., a n d A r c h ib a ld , R. C. Construction and Use o f Raschig's Laboratory Fractionating Colum n..................................................................
F is h , F. II . Safety Device to Protect Heating U nits...............................F r b y e r , E g b e rt . Micropenetrometer. Its Application to Testing
of Fa ts ......................................................................................................F r ie d m a n . H. B., a n d L a m e r . V . K . Im proved W eight Buret..........
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F u e r s t , A . F . D e te rm in a tion o f A lcoh o l b y P y c n o m e te r ................. 30F u r m a n , N . H . P o tcn tio in e tr ic T itra tio n s . R e v ie w and R e p o r t o f
P rogress. A n a ly t ic a l C h em is try S ym p os iu m ....................................... 213
G A M B L E , D . L .. a n d P f u n d , A . I I . E xp er im en ta l D e term inationo f B righ tn ess -F ilm Th ickness C u rves o f W e t P a in ts ................ .., « , 63
G e ig e r , M . B ., a n d P ie r c e , J. S . T it r o m e tr ic D eterm in a tion o fM a g n es iu m .................................................................................................... 193
G e l b a c i i , R . W ., a n d C o m p t o n , K . G . T it r a t io n o f L ea d b y M eanso f a T h e rm io n ic T i t r o m e tc r ;.................................................................. 397
G e o r g i , E . A . P h o tog rap h ic E s tim a tion o f F ore ign M a te r ia ls inG um s and R es in s ........................................................................................ 331
G ib b o n s , W . A . F lex in g T e s t fo r T ir e Carcass S to ck s ............................ 99G i l f o i l , W . S. Im p ro v ed A p p a ra tu s fo r O b ta in in g C on stan t L iqu id
F lo w ................................................. 232G l a n t z , A . L . F luorescence o f O liv e O il under U ltra -V io le t L ig h t . . . 256G o r e , H . C ., a n d J6 z s a , S. D e te rm in a tion o f L iq u e fy in g P o w er o f
M a lt D ia s ta se ............................................................................................ ^ 26G o t t l ie b , S e l m a . C o rrection s fo r S tan dard Solu tions o f In co n
ven ien t S tren g th s 186G r a d y , L . D ., J r ., a n d H a s l a m , G . S. P fu n d G lossm eter A p p lied to
P a in ts and La cq u ers .................................................................................. 346M easu rem en t o f L e v e lin g P rop erties o f Pa in ts and E n a m e ls .............. 66
G r a y , H . L e B ., a n d T i t u s , R . N . C hem ica l M ic ru rg y . M e th o d forS tu d y in g the C haracteristics o f M icroscop ic Q uan tities or M a te r ia l. 368
G r e e n , J. R „ a n d J o h n s o n , A . I I . M o d ifie d M e th y l R ed andSod ium A liza r in S u lfon a te In d ic a to rs ................................................. 2
G r e e n b a n k , G . R ., a n d H o l m , G . E . Ph o toch em ica l M e th o d fo rM easu rin g S u scep tib ility o f F a ts and O ils to O x id a t io n ............. 9
H A L L , L . p . D e te rm in a tion o f Sm all A m ou n ts o f A c id in E t h e r . . . . 244H a m il t o n , W . F . In du stria l A n a lys is and R eco rd in g o f C arbon
D iox id e and O xygen in A i r ...................................................................... 233H a r r is , C . P . R a p id D eterm in a tion o f T o ta l F a t ................................ 410H a r r is o n , R . W ., a n d E d w a r d s , P . W . A ppara tu s fo r D e te rm i
nation o f Ign it io n T em p era tu re o f P o w d e r Substances..................... 344H a r t , R a l p h . C arob -Seed G um . I ts U se fo r D etec tion and E s t i
m ation o f B o r ic A c id and B o ra tes ........................................................ 329H a r t l e y , D . D . Subsequen t A d d it ion s o f A c id in Carius C om bus
t io n s .................................................................................................................. 328H a r v e y , E . H ., a n d S c h u e t t e , I I . A . Su lfu r M on och lo r id e R eac tion
o f F a t t y O ils ; ................................................. 42H a s l a m , G . S. E va lu a tion o f C on tra s t-O b lite ra tin g and B righ ten in g
P o w e r o f W h ite P ig m en ts ...................................................................... 69M od ifica tion o f S p in n in g-F ilm H id in g -P o w e r M e th o d .......................... 319a n d G r a d y , L . D ., J r . M easu rem en t o f L e v e lin g P rop erties o f
Pa in ts and E n am els .......................................................................................... 66P fu n d G lossm eter A p p lied to Pa in ts and L a cq u e rs ................................ 346
H a u g h t , J. W ., a n d Ja c o b s o n , C . A . M e th o d fo r D e term in in gCarlson D io x id e in C a rb on a tes .................................................................... 334
H a y m a n , D ., a n d A v e r y , S. C arbon , H yd rog en , and N itro g en D e term in a tion s U sing a M e ta l T u b e ....................................................... 336
H e im , O s c a r . D e te rm in a tion o f C ob a lt in D riers, Japans, and A llo y s 38H e in r ic h , B . J., a n d S i ie a d , A . C. D e term in a tion o f C a lc iu m and
M agn es iu m in D o lo m it ic L im estones b y M ean s o f SaccharateSolu tions. A lk a lim e tr ic M e th o d ........................................................ 388
HinBARD, P . L . A ppara tu s fo r Perco la tion a t U n ifo rm R a te andA u to m a tic C o llec tin g D e v ic e ........................... 401
H j o r t , E . V ., a n d A m d u r , I. N e w M icroscop e H o t S ta g e ..................... 259H o a g , L . E ., P a p is i i , Ja c o b , a n d S n e e , W . E . Spectroscop ic D e tec
tion o f F lu o r in e ........................................................................................... 263H o c k e n y o s , G . L ., a n d S m it h , G . F . D e te rm in a tion o f C arbon in
H ig h -M e lt in g A llo y s U sin g H igh -F requ en cy In d u ction Fu rnace . 36 H o l m , G . E ., a n d G r e e n b a n k , G . R . Pho toch em ica l M e th o d fo r
M easu rin g S u scep tib ility o f F a ts and O ils to O x id a t io n ................... 9H o p p e r , T . H . R a p id B u lk -Sam p le D r ie r ............................................... 198H o s k in o , H . J., a n d R h o d e s , F . H . S epara tion o f N ic k e l and C ob a lt
b y M ean s o f H y p o c h lo r ite .............................................................................. 164H o w e s , E . L . C o lo r im e tr ic D e te rm in a tion o f A c r if la v in e and N eu tra l
A c r if la v in e ..................................................................................................... 114H u d s o n , J. H ., a n d S h e p p a r d , S. E . D e term in a tion o f L a b ile Su lfu r
in G e la tin and P ro te in s ........................................................................... 73
IN G E R S O L L , C. D ., a n d D a v is , R . E . M easu rem en t o f T u rb id ity . 248
J A C O B S O N , C. a ., a n d H a u g h t , J. W . M e th o d fo r D eterm in in gC arbon D iox id e in C a rb on a tes ............................................................. 334
J e n k in s , J. D . N e w A p p lica tion o f A b b 6 R e fra c to m e te r in An a lys iso f L a cq u er T h in n c rs .................................................................................. 127
J e w e l l , P . W ., a n d S c o t t , W . W . D e term in a tion o f C arbon D iox id ein C a rb on a tes ............................................................................................... 76
J o h n s o n , A . I I . , a n d G r e e n , J. R . M o d ifie d M e th y l R ed and SodiumA liza r in S u lfon a te In d ic a to rs ................ 2
Jo n e s , E . P . M o d ifie d P e te rson -Pa lm qu is t A p p a ra tu s fo r D e te rm ina tion o f C arbon D iox id e in A i r ............................................................. 195
Jo n e s , M . C. K . , F a r m e r , H a r o l d , B r e w e r , J. E ., a n d P o r t e r ,I I . C . O bserva tions o f M ic ro -P y ro m e te r and G as-FurnaceM eth od s fo r D eterm in a tion o f Fusion P o in t o f C oa l A s h .............. . 325
Jo n e s , N . C ., a n d B o o t h , H . S. B aro -B u ret. I I — A p p lica tion toG as E vo lu tion M e th o d s o f A n a ly s is ................................................... 237
J6 z s a , S., a n d G o r e , H . C . D eterm in a tion o f L iq u e fy in g P o w e r o fM a lt D ia s ta se .............................................................................................. 26
K A R R E R , E ., D a v ie s , J. M ., a n d D i e t e r ic i i , E . O . S im p lifiedG ood rich P la s to m e te r ............................................................................... 96
K l i n e , G . M . R in s in g P ip e ts .......................................................................... ... 427a n d A c r e e , S. F . E s tim a tion o f A ldose Sugars b y T it r a t in g w ith
S tandard Io d in e and A lk a li. M od ified M e th o d ............................. 413K o c h , W i l l ia m . L a cqu er S tudies. I — D eve lop m en t o f an Abras ion
T e s t fo r Use w ith N itroce llu lose L a cq u ers ....................................... 407K o c h . W . W ., a n d S m it h , G . F . C onstru ction o f P la tin u m -W ire
C hain fo r F ou lk Chain H y d ro m e te r .................................................... 41K o l t h o f f , I. M . C on du ctoraetric T itra tion s . A n a ly t ic a l C h em istry
S ym p os iu m .................................................................................................... 225a n d Sa n d e l l , E . B. D eterm in a tion o f C h rom ium and Vanad ium
a fte r O x ida tion w ith Potassium B ro m a te ........................................... 140
L A M E R , V . K . , a n d F r ie d m a n , I I . B . Im p ro v ed W e igh t B u re t. . . . 54L a m p e r t . L . M . C holestero l as M easu re o f E g g Y o lk in M i lk P rodu cts 159L a n d is , Q u ic k , a n d W ic h m a n n , H . J. Separa tion o f A lk y l and A ry l
H a logen . A M od ifica tion o f the S tep an ow M e th o d , w ith P a r ticu lar R e fe ren ce to the A n a lys is o f C erta in In sec tic id es ........... 394
429
L a r s e n , L . M . Id en tifica tion o f A lu m in u m and M agnes iu m inP r in t in g In k s ....................................................................................................... 416
L e a v e n w o r t h , C . S., V ic k e r y , H . B ., a n d P u c h e r , G . W . D e te rm in ation o f T o ta l N itro g en o f P lan t E x tra c ts in Presence o f N i tra te s ...................................................................................................................... 191
L e e , M . F ., C h u r c h il l , H . V ., a n d B r id g e s , R . W . D eterm in a tiono f B ery lliu m in A lu m in u m .............................................................................. 405
L k ib o f f , S. L . M u lt ip le S tandard C o lo r im e te r fo r p H D eterm in a tion s ........................................................................................................................ 194
L e n h b r , S a m , a n d T a y l o r , G . B . A n h yd rou s M agn es iu m P e r ch lo ra te as D ry in g A g e n t ............................................................................... 58
L e p k o v s k y , S ., A r c h ib a l d , R . C ., F e s k o v , G ., E v a n s , I I . M ., a n d C o r n is h , R . E . C onstru ction and U se o f R a sch ig ’s L a b o ra to ryF ra c tion a tin g C o lu m n ..................................................................................... 339
L e r c i i , W i l l ia m , a n d B o g u e , R . I I . R ev is ed P rocedu re fo r D e te r m ination o f U ncom b iu ed L im e in P o rtlan d C e m e n t.......................... 296
L e v e n s o n , H . D e term in a tion o f C en tra lite in D ou b le-B ase Sm okelessP o w d e rs ................................................................................................................. 246
L e v in e , I . M ., M o r r e l l , J. C ., a n d F a r a g h r r , W . F . D e te rm in a tion o f O lefin and A ro m a tic H y d ro ca rb o n s ............................................ 18
L i c h t in , J. J. P erch lo r ic A c id as O x id iz in g A g en t in D eterm in a tiono f C h ro m iu m ....................................................................................................... 126
L o c h t e , H . L . D ev ic e fo r Fas ten in g M e lt in g -P o in t T u b es to T h e r m om eters .................................................................................. 200
L o e s b r m a n , M . M . R a p id D e te rm in a tion o f R e la t iv e V iscositieso f O paqu e L iq u id s ............................................................................................. 25
L u n d s t r o m , F . O ., W h it t a k e r , C . W ., a n d M b r z , A . R . R a p id D e te rm in a tion o f N itro g e n P erox id e in N itro g en P e ro x id e -A ir M ix tu re s ................................................................................................................ 15
M A , C H IE H , a n d W it h r o w , J. R . S tu d y o f th e O ffic ia l M e th o d o fB leach ing T e s t o f the Am erican O il C hem ists ’ S o c ie ty ....................... 374
M a i e r , C . G . C em en t fo r S ilica-G lass J o in ts .............................................. 337M a g n e t ic S w itches in R eg u la to ry C ircu its ............................................... 258
M a l h o t r a , R . C . E ffe c t o f D eg ree o f P u lve r iza tion and W e ig h t o f Sam ples on Q u a n tita t iv e Ana lyses . W ith Pa rticu la r R e fe ren ceto P lan t T is su es ................................................................................................. 398
M a r k w o o d , L . N . D irec t D e term in a tion o f O il in O il-W a te r-S oapE m u ls ion s............................................................................................................. 265
M a r s h , C . T . N . Im p ro v ed M e th o d fo r D e term in in g V o la t ile H y d ro carbons in S o a p ................................................................................................... 166
M a r t in , J. S ., a n d S h a n k , J. J. R a p id M e th o d o f Q u a lita t iv e C o lo rC om parison fo r O paqu e S o lid s .................................................................... 343
M a s o n , C . M ., a n d B uf.h r e r , T . F . C u pric O x id e as S tandard inIo d im e try . (C o rresp on d en ce )..................................................................... 138
M a s o n , C . W . M icroscop ica l M e th o d s in A n a ly t ic a l C h em istry .A n a ly t ic a l C h em is try S ym p os iu m .............................................................. 203
M a t t o x , W i l l i a m , a n d W o o d , A . E. M od ifica tion o f L a m p M e th o dfo r D e term in a tion o f T o ta l Su lfu r in P e tro leu m D is t il la te s 24
M c I n t y r e , L . H ., a n d B o o t h , H . S. B ariu m O x id e as D cs ic ca n t. . . . 12M c M ic i ia e l , P a u l , a n d B a r n a r d , M o n r o e . Q u a n tita t iv e A n a lys is
b y M on och rom a tic T ra n sm iss ion ................................................................ 363M c N a b i i , W . M ., a n d W a g n e r , E . C . E va lu a tion o f S tib n ite . I I —
D eterm in a tion o f A n t im o n y .......................................................................... 251M e a d , M . W ., J r ., T e m p l e , J. W ., a n d C a d w e l l , S. M . E a r ly
S tages o f O x ida tion in R u bber. Q u a n tita t iv e A p p lic a t io n o f theP y rro le T e s t ......................................................................................................... 377
M e a r s , B ., a n d P i n e , P . R . Use o f T a n ta lu m as C a th od e fo r E le c tro d eposition o f C o p p e r ........................................................................................ 298
M e l a v e n , A . D . E le c tro ly t ic C e ll fo r Use w ith M e rcu ry C a th o d e .. . . . 180M e l l o n , M . G . P ro v id in g C hanges o f T em p era tu re in V o lu m etr ic
A n a ly s is ................................................................................................................. 260M b r z , A . R ., L u n d s t r o m , F . O ., a n d W h it t a k e r , C . W . R a p id D e
te rm in a tion o f N itro g e n P e rox id e in N itro g e n P e ro x id e -A irM ix tu re s ................................................................................................................ 15
M i l l e r , H . K . , a n d A n d r e w s , J. C . Source o f E rro r in Po la riscop icM easu rem en ts ..................................................................................................... 283
M i l l e r , J. N . , a n d U r b a in , O . M . Q u a n tita t iv e S epara tion o f Pheno lfrom C resols and H ig h e r P h en o ls ............................................................... 123
M o o r e . L . P ., a n d C u t h b e r t s o n , A . C . Im p ro v ed V acu u m -T u b eF a llin g -B a ll V is c o m e te r ................................................................................... 419
M o o r e , W i l l ia m . M e th od s o f T e s t in g M o th p ro o fin g C om pou nds. . 365M o r r e l l , J. C ., F a r a o h e r , W . F ., a n d L e v in e , I . M . D eterm in a tion
o f O lefin and A ro m a tic H y d ro ca rb on s ...................................................... 18M u r r a y , C . W ., a n d B a r n e s , J. W . A ccu racy o f G u tze it M e th o d
fo r D e term in a tion o f M in u te Q u an tities o f A rs en ic ............................ 29
N A V E , E . D m a n d P ie r c e , J. S. C on firm a to ry T e s t fo r Z in c .................. 190N e a v e , S. L . D e te rm in a tion o f C h lorides in Sa lt B r in es .......................... 28N e l l e r , J. R . Sam p lin g o f A p p les fo r A rsen ica l S p ra y R es idu e D e
te rm in a tion s ......................................................................................................... 382N e u m a n , E . W ., a n d P o p o p f , S t e p h e n . M ic ro scop ic E xam ination
o f P rec ip ita tes as A id to Prec ise A n a lys is . I — E stim a tion o f Su lfa tes as B arium S u lfa te ............................................................................ 45
P A P I S I I , J A C O B , H o a g , L . E ., a n d S n e e , W . E . Spectroscop icD etec tion o f F lu o r in e ....................................................................................... 263
P a r r . S. W . Sod ium P e rox id e as Fusion M ed iu m w ith S om e N e wF acto rs R e la t in g to I t s U s e ........................................................................... 10
P a r t r id g e , I I . M . A p p lica tion s o f P h o to -E lec tr ic C e ll t o C hem ica lA n a lys is and C on tro l. A n a ly tic a l C h em is try S ym p os iu m .............. 207
P e t e r s o n , E . G ., P ic c a r d , J ., a n d B i t t i n g , C . D . D eterm ination , o f O x ides o f N itro g e n (ex cep t N itro u s O x id e ) in L o w C o n c e n - ,t r a t io n . '4
P p u n d , A . H ., a n d G a m b l e , D . L . E xp er im en ta l D e te rm in a tion o f -B righ tn ess -F ilm Th ickn ess C u rves o f W e t P a in ts .............................
P h e l p s , F . P ., a n d B r e w s t e r , J. F . C o lo r in th e Sugar In du stry .I l l — Prepara tion o f A sbestos fo r U se as a F ilte r A i d ......................... 3 7 «
P ic c a r d , J., P e t e r s o n , E . G ., a n d B i t t i n g , C . D . D eterm in a tion o f O xides o f N itro g en (ex cep t N itro u s O x id e ) in L o w C on cen tra t io n .................................................................................................................... 294
P ie r c e , J. S ., a n d G e ig e r , M . B. T it r o m e tr ic D eterm in a tion o fM a gn es iu m ........................................................................................................... 193
a n d N a v e , E . D . C on firm a to ry T e s t fo r Z in c ........................................... 190P i n e , P . R ., a n d M e a r s , B . U se o f T an ta lu m as C a th ode fo r E le c tro
deposition o f C o p p e r ................................................................................ 298P it m a n , G il b e r t . G enera l U t i l i ty L a b o ra to ry S t i l l ................................. 418P l u m m e r . W . B. M o is tu re C on ten t o f C arbon B la ck s ............................ 57P o p o f f , S t e p h e n . E le c tro d e P o ten tia ls in A n a ly tic a l C hem istry .
A n a ly tic a l Chem istry ' S ym p os iu m ............................................................. 230a n d N e u m a n , E . W . M icroscop ic E xam in a tion o f P rec ip ita te s as
A id to Prec ise Ana lysis . I — E stim ation o f Su lfa tes as B arium S u lfa te . . 45
INDUSTR IAL A N D ENGINEERING CHEMISTRY
430 A N A L Y T IC A L ED IT ION Vol. 2, No. 4
P o r t e r , H . C ., Jo n e s , M . C . K . , F a r m e r , H a r o l d , a n d B r e w e r ,J. E . O bserva tions o f M ic ro - P y ro m ete r and G as-Fu rnaceM e th o d s fo r D eterm in a tion o f Fusion P o in t o f C oa l A s h ................ 325
P o t h , E . J. C arbon D iox id e G en era to r fo r C om bustion An a lys is inE stim a tion o f N it r o g e n ................................................................................... 250
P o w e l l , J. R ., D k B e a u k r l a b r , F . L . , B a i i l m a n n , E . F ., a n d S h b u l y ,M . L . S tandard M e th o d s (R e v is e d ) fo r D ete rm in in g V is co s ityand J e lly S tren gth o f G lu e ............................................................................ 348
P u c iie r , G . W ., L e a v e n w o r t h , C . S ., a n d V ic k e r y , H . B. D e te r m ination o f T o ta l N itro g en o f P la n t E x tra c ts in Presence o f N i tr a te s ......................................................................................................................... 191
Q U IG G L E , D O R O T H Y , a n d D a v is , H . S. P rob lem s in E s tim a tion o f U nsatu rated H yd roca rbon s in Gases. I I — Som e L im ita tion s in Separations b y Su lfu ric A c id ........................................................................ 39
R E B O U L E T , H . J., a n d T h o m a s , C . A . M o is tu re -P ro o f D e te rm ina tion o f W a xed P a p e rs .................................................................................... 390
R e e d y , J. H . R ed u c to r A ppara tu s fo r D e te c tin g T in ............................ 117a n d B r o w n , M . H . D eterm in a tion o f L ith iu m ......................................... 304
R b h l in o , C . J., a n d B a v b r , L . D . U se o f B arium S u lfa te fo r C la r ify in g So il Suspensions w ith P a rticu la r R e fe ren ce to C o lo r im etr icp H D e te rm in a tion s .............................................................................................. 338
R h o d e s , F . H ., a n d H o s k in g , H . J. S epara tion o f N ick e l and C ob a ltb y M eans o f H y p o c h lo r ite .............................................................................. 164
R ic i ie r t , P . H . V o lu m etr ic D eterm in a tion o f T a r tra te s ......................... 273R o b e r t s , J. K . , S t a u f f e r , J. C ., a n d W h it m a n , W . G . D eterm i-
. na tion o f V a p o r Pressures o f N a p h th a s .................................................... 88R o s e c r a n s , C . Z . H igh -S en s it iv ity A b so lu te -H u m id ity R e co rd e r 129R o s b n b l u m , C h a r l e s , a n d S u n ie r , A . A . P h ys ica l M e th o d s o f
S epara tin g C on stan t-B o ilin g M ix tu re s ........................................................ 109
S A N D E L L , E . B ., a n d K o l t iio f f , I . M . D e term in a tion o f C h rom iumand Vanad ium a fte r O x id a tion w ith Potassium B ro m a te ....................... 140
S a t t l e r , L o u is , a n d Z e r b a n , F . W . A sh and E lec tr ica l C on du ct iv i t y o f S irups and M olasses D e r iv ed from Sugar C a n e ................... 32
E ffec t o f D ex trose and Sucrose on D e te rm in a tion o f L evu lo se b yN ijn s ’ M e th o d .................................................................................................... 307
U n ified C on du ctom etr ic M e th o d fo r D eterm in a tion o f A sh in R e fin ery S iru ps........................................................................................................ 322
S c h m it z , H e n r y , a n d O t h e r s . Suggested T o x im e tr ic M e th o d fo rW o o d P re s e rv a t iv e s .......................................................................................... 361
S c h n e id e r , F r a n k , a n d W h it m o r e , W . F . A p p lica tion o f M ic r o scopic A n a lys is to M ix tu res o f M e ta ls and A llo y s .................................... 173
Sc h u b t t e , H . A ., a n d H a r v e y , E . H . Su lfu r M on och lo r id e R eac tiono f F a t t y O ils ........................................................................................................ 42
Sc o t t , W . W ., a n d J e w e l l , P , W . D eterm in a tion o f C arbon D io x id ein C a rb on a tes ...................................................................................................... 76
S c r ip t u r e , E . W „ Jr ., B a r n it t , J. B ., a n d D e r r , R . B . A lu m in a ina N e w F o rm as L a b o ra to ry D es ic ca n t..................................................... 355
S e l t z , H a r r y , a n d S il v e r m a n , L o u is . D e te rm in a tion o f A d d i t y o f O ils and F a ts b y Q u inhydrone E lec trod e in N o n -A q u eo u s So lu t io n s ........................................................................................................................ 1
S b lw o o d , P . W . ■ O bserva tion s on R a re E arth s— X X X I V . Spec-trograph ic E s tim a tion o f Im p u rities in R a re E a r th s .......................... 93
S h a r p e r , W . E . Q u a n tita t iv e H yd rogen a tion o f P r in c ip a l U n sa tu ra ted C om pon en ts o f T u rp en tin e , P in e O il, and R o s in 115
Sh a n k , J. J., a n d M a r t in , J. S. R a p id M e th o d o f Q u a lita t iv e C o lorC om parison fo r O paqu e S o lid s ..................................................................... 343
S h a w , L . I . , W ih t t e m o r e , C . F ., a n d W e s t b y , T . H . D eterm in a tiono f A n tim o n y in L ca d -A n titu on y A llo y s o f L o w A n tim o n y C on ten t 402
R a p id M e th o d fo r D e te rm in in g C a lc iu m in L ea d A llo y s o f L o wC alc iu m C o n te n t ................................................................................................ 401
S u e a d , A . C ., a n d H e in r ic h , B . J. D e te rm in a tion o f C a ld u m and M agn es iu m in D o lo m itic L im eston es b y M ean s o f SaccharateSolu tions. A lk a lim e tr ic M e th o d ................................................................ 388
Sh k e l y , M . L ., D e B e a u k e l a b r , F . L ., P o w e l l , J. R ., a n d B a h l - m a n n , E . F . S tan dard M e th od s (R e v is e d ) fo r D ete rm in in g V is co s ity and J e lly S tren g th o f G lu e .................................................................. 348
Sh e p p a r d , S. E ., a n d H u d s o n , J. H . D e te rm in a tion o f L a b ile Su lfu rin G e la tin and P r o td n s ................................................................................... 73
S il b e r n a g b l , F . C . D eterm in a tion o f R e la t iv e D ia s ta tic P ow ers o fM a l t ........................................................................................................................ 31
S i l v e r m a n , L o u is , a n d S e l t z , H a r r y . D e te rm in a tion o f A c id ity o f O ils and F a ts b y Q u in h yd ron e E lec trod e in N on -A qu eou s So lu t io n s ........................................................................................................................ 1
S in g e r , S; S. Short M e th o d fo r C om p le te A n a lys is o f M agn es iu m -A lu m in u m A l lo y s ............................................................................................... 2S8
S l a t e r , C , S ., a n d A c r b e , S. F . M e th o d fo r E s tim a tin g A ld oseSugars b y T it r a t io n w ith Io d in e and A lk a l i ............................................ 274
S m it h , G . F ., a n d I I o c k b n y o s , G . L . D e te rm in a tion o f C arbon inH ig h -M e lt in g A llo y s U sin g H igh -F req u en cy In d u ction F u rn ace . 36
a n d K o c h , W . W . C onstru ction o f P la tin u m -W ire C ha in fo rF ou lk Chain H y d ro m e te r ............................................................................... 41
S n e k , W . E ., P a p is h , Ja c o b , a n d H o a g , L . E . Spectroscop ic D e tection o f F lu o r in e ........................................................................ 263
Sn e l l , F . D . Phosphoric A d d fo r D e term in a tion o f M e lt in g P o in ts . 287 So m e r v il l e , A . A ., B a l l , J. M . , a n d E d l a n d , L . A . A u to g rap h ic
S tress-Strain C u rves o f R u b b er a t L o w E lo n g a t io n s ............................. 2S9S t a m m , A . J. E lec tr ica l C o n d u c t iv ity M e th o d fo r D e term in in g
M o is tu re C on ten t o f W o o d ............................................................................ 240S t a u f f e r , J. C ., R o b e r t s , J. K ., a n d W h it m a n , W . G . D e te rm i
nation o f V a p o r Pressures o f N a p h th a s ................................................... 88S t e e l e , T . F . M e th o d fo r P reparin g M icro -S ec tion s o f R u b b e r 421S t e v e n s , K . R ., a n d W a k s m a n , S . A . S ys tem o f P rox im a te C hem ica l
A n a lys is o f P la n t M a te r ia ls ............................................................................ 167St il l m a n , J. W ., a n d B a r t l e s o n , T . L . C on ven ien t A rran gem en t
fo r T it r a t io n T a b le ............................................................................................ 108S t il l w e l l , A . G . D e term in a tion o f " In so lu b le s ” in S h e lla c ................. 420
Determination o f W ax in Shellac.............................................................St il l w e l l , C. W ., a n d C l a r k , G. L . X -R a y Examination o f Com-
merdal Galvanized Iron by M odified Reflection M eth od ..............St r a in , H . H . Blast Lamp for Natural G as...........................................St r a n d , A . L . Measuring Tox ic ity o f Insect Fum igants......................Su n ib r , A . A., a n d R o se n b lu m , C h a r le s . Physical M ethods of
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T A Y L O R , G. S ., a n d L e n h e r , Sa m . Anhydrous Magnesium Perchlorate os Drying A gen t......................................................................
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T h a y e r , L . A . Colorimetric Determ ination o f Silica in Presence ofPhosphate and Iro n ................................................................................
T h o m as , C. A ., a n d R eb o u lb t , H . J. M oisture-Proof Determinationo f Waxed Papers.....................................................................................
T ho m pso n , J. J., a n d W il l a r d , H . H . Determination o f Perchlorate. T i ir u n , W . E. Use o f Protective Colloids in Colorimetric D eterm i
nation o f Certain M etals as Lakes o f D yes .......................................T in s l e y , J. S., an d B il l in g , W . M . Determination o f N itrogen and
Acetyl Content o f Cellulose N itroaceta te.........................................T it u s , R . N ., a n d G r a y , H . L e B. Chemical M icrurgy. M ethod for
Studying Characteristics of M icroscopic Quantities o f M aterial. T o b p fb r , E. W ., a n d B o u t w e l l , P. W . Application o f Burgess-Parr
Sulfur Photometer to Rapid Determ ination o f Sulfur in Foodsand Biological M ateria l.........................................................................
T r b m b a r n b , T . H . Large Constant-Tempcrature Bath Containinga Rem ovable Glass F ron t.....................................................................
T r u esd a le , E. C. Sensitivity o f Various Tests for Traces o f Hydrogen Sulfide.....................................................................................
U R B A IN , O. M ., a n d M il l e r , J. N . Quantitative Separation of Phenol from Cresols and H igher Phenols...........................................
V IC K E R Y , H. B., P u c iie r , G. W ., a n d L e a v e n w o r t h , C. S. D etermination o f T o ta l N itrogen o f Plant Extracts in Presence o f N itrates..........................................................................................................
V il b r a n d t , F. C., a n d Es k e w , W . E. Duplex W dgh ing Tube............
W A G N E R , E . C., a n d M cN a b b , W . M . Evaluation o f Stibnite.I I — Determination o f Antim ony..........................................................
W a k s m a n , S. A., a n d St e v e n s , K . R . System o f Proxim ate ChemicalAnalysis o f Plant M ateria ls...................................................................
W a l k e r , A . C., a n d E r n s t , E. J., Jr . M oisture Content o f Com pressed N itrogen ......................................................................................
Preparation o f A ir of Known Hum idity and Its Application to Calibration o f an Absolute-Hum idity Recorder.........................................
W b r k m a n , C. H . Determ ination of Organic Acids in Mixtures. I — Determination o f F a tty Acids in M ixtures by Partition betweenIsopropyl Ether and W ater...................................................................
W esson , L. G. R elay for Use in Regu latory C ircuits..............................W e st , E. S. Im proved Laboratory Condenser and Its Use in Con
struction o f Apparatus............................................................................W e s t b y , T . H ., Sh a w , L. I., a n d W h it te m o r b , C. F. Determination
of Antim ony in Lead-Antim ony A lloys o f Low Antim ony Conten t........................................................................................................ ....
Rapid M ethod for Determ ining Calcium in Lead A lloys o f LowCalcium Content.....................................................................................
W h it m a n , W . G., St a u f f e r , J. C., a n d R obe rts , J. K . D eterm ination o f Vapor Pressures of Naphthas.............................................
W h it m o r e , W . F., a n d Sc h n e id e r , F r a n k . Application o f M icro scopic Analysis to M ixtures o f M etals and A lloys ..............................
W h it t a k e r , C. W ., L und stro m , F . O., a n d M erz, A . R . Rapid Determination o f N itrogen Peroxide in N itrogen Perox ide-A irM ixtures...................................................................................................
W iiitte m o re , C. F ., Siiaw , L. I., and W es tb y , T . H . Determ ination o f Antim ony in Lead-Antim ony A lloys o f Low Antim ony Conten t....................................... ......................... ...........................................
Rap id M ethod for Determ ining Calcium in Lead A lloys o f LowCalcium Content.....................................................................................
W ic h m a n n , H . J., a n d L a n d is , Q u ic k . Separation o f A lky l and A ry l Halogen. A M odification o f the Stepanow M ethod, w ith Particular Reference to the Analysis o f Certain Insecticides.................
W il c o x , L. V . Determination o f Boron in Natural Waters and PlantMaterials. M odification of the Chapin M eth od .............................
W i l e y , R. C. Rapid Volum etric M ethod for Determ ination o f Lead.A m bro se , P. M ., a n d Bo w er s , A . D . T itration o f Lead Salts........
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Universal V iscom eter..............................................................................W it h r o w , J. R ., a n d M a , C i i ir h . Study o f the Official M ethod o f
Bleaching Test o f the American Oil Chemists’ S oc ie ty ...................W ood, A. E., a n d M a t t o x , W il l ia m . M odification o f Lamp M ethod
for Determination o f To ta l Sulfur in Petroleum D istilla tes..........W o o te n , L . A ., an d Cl a r k e , B. L . Nu ll-Poin t M ethod o f Potentio-
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Z E R B A N , F . W ., a n d Sa t t l e r , L o u is . Ash and E lectrical Conductiv ity o f Sirups and Molasses D erived from Sugar Cane..........
E ffect o f Dextrose and Sucrose on Determ ination o f Levulose byN ijn s ’ M eth od .........................................................................................
Unified Conductometric M ethod for Determ ination o f Ash in R e finery Sirups.............................................................................................
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