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SamplePreparationTypically,titaniumandzirconiumsamplesarechemicallyetchedtoremovesurfacecontaminationwhenoxygenandnitrogenaredetermined.However,etchingcanintroducehydrogenintothesample.ASTMmethodE1409"DeterminationofOxygenandNitrogeninTitaniumandTitaniumAlloysbytheInertGasFusionTechnique",asupdatedin1996,permitseitheretchingorabrading(filing)ofthetestspecimen.ASTME1447"DeterminationofHydrogeninTitaniumandTitaniumAlloysbytheInertGasFusionThermalConductivity/InfraredDetectionMethod"permitssurfacepreparationbyabrading(ifnecessarytoremovecontamination).DifferencesinsamplepreparationpresentsomewhatofadilemmaregardingsimultaneousdeterminationofO,N,andHintitanium.However,abradingsampleswithafiletoremovesurfacecontaminationwillyieldaccurateO,N,andHresults.TheONH836utilizesahigh-powerelectrodefurnacetoquicklyandefficientlyreleasethetargetgasesfromwithinthesample,whichallowsforaveryrapidsimultaneousdeterminationofoxygen,nitrogen,andhydrogen.上海禹重实业有限公司为您提供分析仪，欢迎您的来电哦！嘉兴分析仪厂家供应

Procedure-SolidSamplesPresstheAnalyzebuttonontheinstrumentscreenagain,theloadingheadslide-blockwillcloseandthelowerelectrodewillopen.Cleantheupperandlowerelectrodemanually,or,ifapplicable,removethecrucibleandpresstheanalyzebuttontocleanwiththeautomaticcleanerAddapproximately0.05gof***GraphitePowdertoa***GraphiteCrucible.Firmlyplacethecrucibleonthelowerelectrodetiporappropriateautoloaderposition.PresstheAnalyzebuttonontheinstrumentscreen,thelowerelectrodewillcloseandtheanalysissequencewillstartandendautomatically嘉兴分析仪厂家供应上海禹重实业有限公司致力于提供分析仪，有需求可以来电咨询！

氧氮氢分析仪的常见故障及解决方法：氧和氮空白值超过20。这是由于气流小，不能将炉子中的空气驱赶出去。可调节气体流量，调节载气压力在0.2~0.4MPa。接通仪器载气，放一个石墨坩埚在下电极上，打开主电源开关，点击软件上的关炉按钮，关闭炉子并等待10s。调节流量调节器，直到流量计a显示为30L／h，打开炉子。调节调节器直到流量计b显示为50L／h，再次关闭炉子。如果以上设置不稳定，则增加流量至100L／h，反复调节直至仪器稳定。

Procedure–Powder/ChipSamplesInstrumentcalibration/driftcorrection.Addapproximately0.05gof***GraphitePowdertoa***GraphiteCrucible.Firmlyplacethecrucibleonthelowerelectrodetiporappropriateautoloaderposition.PresstheAnalyzebuttonontheinstrumentscreen,thelowerelectrodewillcloseandtheanalysissequencewillstartandendautomatically.Repeatsteps3bthrough3iaminimumofthreetimesforeachcalibration/driftstandardused.上海禹重实业有限公司致力于提供分析仪，欢迎您的来电！

Instrumentcalibration/driftcorrection.a.Loginaminimumof3Standardreplicates.b.Weigha~1.000gramofacalibration/driftstandard,enterthemassandstandardidentificationintoappropriatereplicatefields.c.PresstheAnalyzebuttonontheinstrumentscreen.Afterashortdelay,theloadingheadslide-blockwillopen.d.Placethecalibration/driftstandardintotheopenportatthetopoftheloadinghead.e.PresstheAnalyzebuttonontheinstrumentscreenagain,theloadingheadslide-blockwillcloseandthelowerelectrodewillopen.上海禹重实业有限公司是一家专业提供分析仪的公司，有需求可以来电咨询！黄山化学分析仪

分析仪，就选上海禹重实业有限公司，有需要可以联系我司哦！嘉兴分析仪厂家供应

LECO—YoursourcefortotalanalyticalsolutionsCSCS844and744Series:Carbon/SulfurbyCombustionCarbonandsulfurdeterminationbycombustioninfrareddetectionQuick,accurate,andaffordabledeterminationforbothproductioncontrolandresearchCalibration,analysis,evaluation,anddiagnosticfunctionsaccessibleviauser-friendlybrandsoftwareGDSGDS500Aand850AAtomicEmissionSpectrometersSpectralrangefrom120to800nmContinuousprofileofconcentration/thicknessLarge,dynamicrangewithconcentrationsfromppmto100%byweightShortanalysistime(minutes)嘉兴分析仪厂家供应

上海禹重实业有限公司位于上海市闵行区春申路2525号3幢339室，交通便利，环境优美，是一家服务型企业。公司致力于为客户提供安全、质量有保证的良好产品及服务，是一家有限责任公司（自然）企业。公司业务涵盖光谱仪，色谱仪，质谱仪，样品前处理，价格合理，品质有保证，深受广大客户的欢迎。禹重科技顺应时代发展和市场需求，通过**技术，力图保证高规格高质量的光谱仪，色谱仪，质谱仪，样品前处理。