geology jacek chwast sim2 present

8/9/2019 Geology Jacek Chwast SIM2 Present

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First SIM² - WORKSHOP

Thermal analysis (TGA/DSC!

"ra#ti#al as"e#tsTGA – Thermogravimetric Analysis DSC – Differential Scanning Calorimetry

$a#e% Ch&ast 'a#e%#h&ast)ees%*le*+en,eGe-Instit**t

.01.01



Meas*rement #n2itins

2

Netzsch STA 409 PC Luxx® :

- T [25 – 1000 °C]

- heating rate 10 °C/min

- N2 atmosphere (60 ml/min)- almina !r!i"les

- simltaneos measrement o# mass

!hange (T$) an% heat #lo& ('C)

- 1 analsis (25100025 °C) * + hrs

#rna!e

mi!ro"alan!e



Meas*rement #n2itins

+

Netzsch STA 409 PC Luxx® :

- T [25 – 1000 °C]

- heating rate 10 °C/min

- N2 atmosphere (60 ml/min)- almina !r!i"les

- simltaneos measrement o# mass

!hange (T$) an% heat #lo& ('C)

- 1 analsis (25100025 °C) * + hrs

#rna!e

mi!ro"alan!e

sample , re#eren!e



Thermal analysis (TGA/DSC in a n*tshell

.amples o# thermal rea!tions reslting in

mass change measre% " TG analsis:

-loss o# #ree &ater

-loss o# "on% &ater

-%e!omposition

TG applications:

-i%enti#i!ation an% anti#i!ation o# sample

!omponents

-thermal sta"ilit st%ies

.amples o# thermal rea!tions reslting in

heat flow measre% " SC analsis:

-!rstalliation

-melting

-glass transitions

SC applications:

-thermo%nami! !hara!teriation o# pre

s"stan!es

-alit !ontrol: sample prit-thermal sta"ilit st%ies

10030 20030 +0030 0030 50030 60030 40030 0030 0030 100030Temperatre/°C

-23500

-23000

-13500

-13000

-03500

03000

T$/mg

-03+

-032

-032

-031

-031

030

'T$/(mg/min)

TG analsis – mass (T) SC analsis – heat #lo& (T)



Sam"le #m"ati,ility

5

<eirements:

- no rea!tion &ith almina !r!i"le

- no epansion or !reep %ring thermal %e!omposition

Compati"le materials (=>? epertise):

- !las an% other geologi!al materials

- !ements

- slags

?imitations:- polmers !an "e haar%os as the !an #oam at high

temperatres

- compati!ilit" assessment is necessa#" fo# new mate#ials



3+al*atin 4 ne& materials

6

Compati!ilit" assessment$

@" pro9i%ing a re#eren!e to a thermal analsis

or

@" "rning the sample in a #rna!e

at the con%itions fo#eseen fo# the measu#ement$

– sample !omposition

– temperatre range (ma3 1000 °C) – inert atmosphere

– almina !r!i"le



Sam"le "re"aratin

4

1) ample #orm: – #ine po&%ers

– !ompa!t soli%s

– #ilms #i"ers

2) .nsre goo% thermal !onta!t "et&een

sample an% heat #l-sensor:

– po&%ers: e9enl %istri"te% at the "ottom

o# the sample !r!i"le gentl tampe%

+) 8l&as se the same

sample mass (A 10-+0 mg)



o#t&are: N.TBC DrotesE (Farsh pro!e%re)

Ganti#i!ation o# portlan%ite (Ca()2) !ontent in !ement

10030 20030 +0030 0030 50030 60030 40030 0030 0030 100030Temperatre/°C

-23500

-23000

-13500

-13000

-03500

03000

T$/mg

-03+

-032

-032

-031

-031

030

'T$/(mg/min)

Analysis 4 res*lts

A+0°C: Ca()2 -H Ca , 2I



0030 2030 030 6030 030 50030Temperatre/°C

-23100

-23000

-1300

-1300

-13400

T$/mg



Analysis 4 res*lts

A+0°C: Ca()2 -H Ca , &'()

mass

loss



0030 2030 030 6030 030 50030Temperatre/°C

-23100

-23000

-1300

-1300

-13400

T$/mg



Analysis 4 res*lts

10

A+0°C: Ca()2 -H Ca , &'()



0030 2030 030 6030 030 50030Temperatre/°C

-23100

-23000

-1300

-1300

-13400

T$/mg



Analysis 4 res*lts

11

A+0°C: Ca()2 -H Ca , &'()



Cnta#t in4rmatin an2 reser+atins

12

Contact * T#aining$

Ja!eK Ch&ast

La!eK3!h&astMees3Kle9en3"e

tel3 ,+2 16 + 245+ or ,+2 16 + 2450

+esponsi!le p#ofesso#$ Jan .lsen

TG *SC inst#ument$

$eo-7nstitt

CelestiLnenlaan 200!

<oom 013+

+ese#,ations$

- #ill in the reser9ation list in the room 013+



Than% y* 4r y*r attentin

5*estins6

1+

geology jacek chwast sim2 present

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