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Determination of agmatine in biological samples by c
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Determination of agmatine in biological samples by c
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C, S determination in wood samples SuitableAnalyzersnCS-580seriesnCS-2000(resistancefurnace)UsedAccessoriesn90160DisposableporcelainboatsnSuitablecalibrationmaterialfromNISTorotherSettingsnFurnaceTemperature:1350°CnComperatorlevel:20nminimumanalysistime:60secondsnmaximumanalysistime:180secondsSamplepreparationForbestresultspreparethesampledowntoaparticlesizeabout200m.Drythesampletillmassconstancyat105°C(inminimumfor1Hour).ProcedurenPrepareandcleantheELTRAanalyzer(f.e.exchangeAnhydron,Sodiumhydroxide)andsetthefurnacetemperatureto1350°CnRuninminimumthreewarmupsamples(f.e.ELTRA92511-3020)withamediumsampleweightof200mguntiltheresultsarestablenCalibratethesystemwithasuitablecalibrationmaterial(fromNISTorother):(1)Weighinasampleweightof150mginthe90160porcelainboots(2)Startanalysis(F5Button)(3)LoadthesampleintothefurnaceandwaituntilthePCcalculatesresultsRepeatStep(1)(3)inminimumforthreetimes;marktheresultsandusethecalibrationfunctioninthesoftware[詳細(xì)]
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C, S determination in coal samples SuitableAnalyzersCS-580seriesCS-2000(resistancefurnace)UsedAccessories90160DisposableporcelainboatsSuitablecalibrationmaterialfromNISTorotherSettingsFurnaceTemperature:1350°CComperatorlevel:20minimumanalysistime:60secondsmaximumanalysistime:180secondsSamplepreparationForbestresultspreparethesampledowntoaparticlesizeabout200μm.Drythesampletillmassconstancyat105°C(inminimumfor1Hour).ProcedurenPrepareandcleantheELTRAanalyzer(f.e.exchangeAnhydron,Sodiumhydroxide)andsetthefurnacetemperatureto1350°CnRuninminimumthreewarmupsamples(f.e.ELTRA92511-3020)withamediumsampleweightof200mguntiltheresultsarestablenCalibratethesystemwithasuitablecalibrationmaterial(fromNISTorother):(1)Weighinasampleweightof200mginthe90160porcelainboots(2)Startanalysis(F5Button)(3)LoadthesampleintothefurnaceandwaituntilthePCcalculatesresultsRepeatStep(1)(3)inminimumforthreetimes;marktheresultsandusethecalibrationfunctioninthesoftware->Analyzetheunknownsamples.[詳細(xì)]
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O, N determination in titanium samples SuitableanalyzersnON900nONH2000UsedaccessoriesnInnergraphitecrucibles(90180)nOutergraphitecrucibles(90185)nNickelbasket(90250)orAR2344nSuitablecalibrationmaterial(NISTorother)SettingsnComparatorlevel:20mVnMinimumtime:15secnMaximumtime:3:00minnPostwaiting:30secnBaselinedeviation:200mV;Step:16mV;Time:10secnMode:continuousnOutgasTime:45secPower:6kWnTimePurge:20secStability:45secnIntegrationdelayIRcell:2secTCcell:10secnAnalyse(1)Time:75secPower(1):6kWPower(2):6kWSamplepreparationMakesurethatthesurfaceofthetitaniumisfreefromcontaminations;otherwisecleanthesamplewithacetonep.a.andletdryatatmosphere.ProcedurenPrepareELTRAanalyzer(exchangeanhydrone,sodiumhydroxide,copperoxidewhennecessary),cleanfurnace,sampledropmechanism,electrodetipnRunthreeblankswithemptycruciblesnCalibratetheanalyzerwithsuitablecalibrationmaterial(NISTorother)(1)Filloneemptyinnercrucible(90180)inoneoutercrucible(90185)andplacethemontheelectrodetip,closefurnace(F2Button)(2)Weighcalibrationmaterialandgiveitintoanickelbasket(90250orAR2344)(3)Placenickelbasketwithcalibrationmaterialorsampleinthesampledropmechanismandstartanalysis(F5Button)Afteranalysisgivetheinnercrucibleintowasteandfillinanewone.Theoutercruciblescanbeusedapproximately10times.Repeatsteps(1)(3)atleastthreetimes;Marktheresultsandusethecalibrationfunctioninthesoftware.[詳細(xì)]
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O, N determination in steel samples (Inner and outer graphite crucibles) SuitableanalyzersnON900nONH2000UsedaccessoriesnInnergraphitecrucibles(90180)nOutergraphitecrucibles(90185)nSuitablecalibrationmaterial(NISTorother)SettingsnComparatorlevel:5mV(lowoxygen);20mV(other)nMinimumtime:15sec(oxygen);35sec(nitrogen)nMaximumtime:3:00minnPostwaiting:20secnBaselinedeviation:20mV;Step:16mV;Time:10secnMode:continuousnOutgasTime:45secPower:5kWnTimePurge:15secStability:45secnIntegrationdelayIRcell:2secTCcell:10secnAnalyse(1)Time:40secPower(1):4kWPower(2):4kWSamplepreparationMakesurethatthesurfaceofthesteelisfreefromcontaminations;otherwisecleanthesamplewithacetonep.a.andletdryatatmosphere.ProcedurenPrepareELTRAanalyzer(exchangeanhydrone,sodiumhydroxide,copperoxidewhennecessary),cleanfurnace,sampledropmechanism,electrodetipnRunthreeblankswithemptycruciblesnCalibratetheanalyzerwithsuitablecalibrationmaterial(NISTorother)(1)Filloneemptyinnercrucible(90180)inoneoutercrucible(90185)andplacethemontheelectrodetip,closefurnace(F2Button)(2)Weighcalibrationmaterial(usuallypins)(3)Placecalibrationmaterialinthesampledropmechanismandstartanalysis(F5Button)Afteranalysisgivetheinnercrucibleintowasteandfillinanewone.Theoutercruciblescanbeusedapproximately10times.Repeatsteps(1)(3)atleastthreetimes;Marktheresultsandusethecalibrationfunctioninthesoftware.[詳細(xì)]
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Determination of agmatine in biological samples by c
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