C, S determination in wood samples
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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
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