chemistry part 4-5
TRANSCRIPT
Slide 1
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MustDrain Evenly
NotClean
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ProperlyDisposeExcessProperlyCleanAirDry
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ProperlyCleanAirDry
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TransferToReagentBottleProperlyCleanAirDry
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Balances Top-loadingAnalytical2/14/20158Mosarof Hossan
Tools for weighing
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Steps in weighing(balance in chemical stockroom)
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BURET
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ToDeliverCalibrationTemperatureBURET2/14/201512Mosarof Hossan
CompletelyCoatInsideSurface
RinseWith Titrant2/14/201513Mosarof Hossan
NotCleanBeadsofLiquid2/14/201514Mosarof Hossan
RinseThreeTimes
Fill to AboveTop Graduation2/14/201515Mosarof Hossan
DischargeAllAirBubbles2/14/201516Mosarof Hossan
DrainUntilTopofLiquidIs InGraduations
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CurvedSurfaceof Liquid
MENISCUS2/14/201518Mosarof Hossan
MENISCUSREADER2/14/201519Mosarof Hossan
X
X
OProper Reading
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BottomofMeniscustoTop of Graduation2/14/201521Mosarof Hossan
Increase
TenGraduations}2/14/201522Mosarof Hossan
9.6424.162/14/201523Mosarof Hossan
RecordInitialReadingAddIndicator
ProperGrip2/14/201524Mosarof Hossan
MixWell
NearEndpoint2/14/201525Mosarof Hossan
At EndpointReadRecordFinalReading
Final Reading Initial Reading = Volume Delivered2/14/201526Mosarof Hossan
VolumetricTransferPipets2/14/201527Mosarof Hossan
FillByVacuum
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FillByVacuumPipetBulbRinse
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MustDrain Evenly
NotClean
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AllowToDrainTouchTipToFlaskSomeWillRemainIn Tip2/14/201531Mosarof Hossan
Volumetric Flasks2/14/201532Mosarof Hossan
TCToContainNOT Intended To Deliver
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FillHalfAndMixFillToBelowGraduationFillDrop-wiseToCalibration2/14/201534Mosarof Hossan
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