Moisture and ash determination in milk

文档简介SuitableanalyzersnTGAThermostepUsedaccessoriesnCeramiccrucible(26063)nSpatula(23111)nQuartzsand(90840)SettingsStepMoisture------------->StepAshnTemperature:105°C600°CnSpeed:0°C(=automatic)0°C(=automatic)nType:StopbydeviationStopbydeviationnTime:0sec0secnDeviation:0.0010.001nGas:NitrogenOxygenFormulasnDrymass:100-((X[0]-(X[1]-Y[1]))/X[0]*100)nAsh(asanalyzed):(X[2]-Y[2])/X[0]*100nAsh(drybase):(X[2]-Y[2])/X[1]*100ProcedurenPrepareandcleantheELTRAanalyzer(e.g.removeashfromthecrucibles)nCheckpressureoftheoxygenandnitrogenbottlenPreparetheapplicationaccordingtotherecommendedsettingsnSelectthisapplicationintheTGAsoftware;loginthesamplenamesandfillapproximately1-2gofquartzsand(90840)intothecruciblesbeforetheweightistakenbytheinternalbalancenSettheoption"BalanceButton"to"Yes"nWhenthecurrentcrucibleisplacedonthepedestalfillinapproximately1gofsamplenRemovethecruciblecarefullyfromtheTGAcarouselandmixthequartzwiththesample(e.g.withaquartztubeorasmallspatula)nPutthecruciblebackonthecarouselandconfirmtheweightbypressingthebalancebutton