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Determinetheinstrumentblank.a.Loginaminimumof3Blankreplicates.b.PresstheAnalyzebuttonontheinstrumentscreen.Afterashortdelay,theloadingheadslide-blockwillopen.c.PresstheAnalyzebuttonontheinstrumentscreenagain,theloadingheadslide-blockwillcloseandthelowerelectrodewillopen.d.Cleantheupperandlowerelectrodemanually,or,ifapplicable,removethecrucibleandpresstheanalyzebuttontocleanwiththeautomaticcleaner.e.Firmlyplaceagraphitecrucibleonthelowerelectrodetip.f.PresstheAnalyzebuttonontheinstrumentscreen,thelowerelectrodewillcloseandtheanalysissequencewillstartandendautomatically.g.Repeatsteps2bthrough2faminimumofthreetimes.h.Settheblankfollowingtheprocedureoutlinedintheoperatorsinstructionmanual.分析仪，就选上海禹重实业有限公司，用户的信赖之选，有需要可以联系我司哦！山西LECO分析仪咨询报价

LECO—YoursourcefortotalanalyticalsolutionsCSCS844and744Series:Carbon/SulfurbyCombustionCarbonandsulfurdeterminationbycombustioninfrareddetectionQuick,accurate,andaffordabledeterminationforbothproductioncontrolandresearchCalibration,analysis,evaluation,anddiagnosticfunctionsaccessibleviauser-friendlybrandsoftwareGDSGDS500Aand850AAtomicEmissionSpectrometersSpectralrangefrom120to800nmContinuousprofileofconcentration/thicknessLarge,dynamicrangewithconcentrationsfromppmto100%byweightShortanalysistime(minutes)浙江LECO分析仪厂家直销上海禹重实业有限公司分析仪获得众多用户的认可。

SamplePreparationSamplingandsamplepreparationisanimportantissuebecausetraditionalmethodsusedtoobtainsamplesforoxygenandnitrogendeterminationaredifferentfromthoserecommendedforhydrogen,especiallywhensamplingmoltenmetal.Themaindifferenceinsteelsamplingproceduresforoxygen/nitrogenandhydrogenisduetothemobilityofhydrogen.Specialprecautionsmustbeusedwhensamplingforhydrogen.Frommoltensteelandiron,asamplemustbequicklyquenchedincoldwaterandchilledinarefrigerantsuchasliquefiednitrogenoramixtureofacetoneandsolidcarbondioxideinordertoreducelossesofhydrogenfromdiffusion.Lossesofoxygenandnitrogenfromdiffusionarenotaproblem.Asamplethatistakenforhydrogenandchilledinarefrigerantcanalsobeusedforoxygenandnitrogendetermination.However,asamplethatistypicallytakenforoxygenand/ornitrogendeterminationisnotsuitableforhydrogendeterminationduetohydrogenloss(diffusion).Surfacecontaminationmustberemovedbyfilingorlightgrinding,usingcarenottooverheatthesample.

氧氮氢分析仪氧氮氢分析仪是一种用于材料科学领域的仪器，于2016年03月09日启用。技术指标测量范围：ON低氧0.0－300ppmOH低氧0.0－300ppm高氧0.0－2%高氧0.0－2%低氮0.0―300ppm低氢0.0－50ppm高氮0.0－2%高氢0.0－1000ppm灵敏度：氧0.01ppm；氮0.1ppm；氢0.01ppm。主要功能该仪器配置有16位微处理器和两个**的分别检测高氧和低氧的红外检测池。氮和氢通过双重范围的热导检测池测量。分析过程中可自动实现从低范围到高范围的切换。样品在高功率脉冲炉的石墨坩埚中加热可达3000℃以上高温，脉冲炉采用循环水冷却。该仪器具有灵敏度高、性能好、测量范围宽和分析结果准确可靠等优点。ONH-2000氧氮氢分析仪是为快速、准确测定铜、钢、铸铁、合金、钛、镍、钼、锆、陶瓷和其它无机材料中氧、氮、氢的含量而专门设计制造的。分析仪，就选上海禹重实业有限公司，有想法的可以来电咨询！

Instrumentcalibration/driftcorrection.a.Loginaminimumof3Standardreplicates.b.Weigha~1.000gramofacalibration/driftstandard,enterthemassandstandardidentificationintoappropriatereplicatefields.c.PresstheAnalyzebuttonontheinstrumentscreen.Afterashortdelay,theloadingheadslide-blockwillopen.d.Placethecalibration/driftstandardintotheopenportatthetopoftheloadinghead.e.PresstheAnalyzebuttonontheinstrumentscreenagain,theloadingheadslide-blockwillcloseandthelowerelectrodewillopen.分析仪，就选上海禹重实业有限公司，用户的信赖之选，欢迎您的来电哦！山东专业分析仪采购

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MethodSelectionTwomethodsaredescribedinthisapplicationnote;eithermethodcanbeusedtoanalyzeiron,steel,nickel-,andcobalt-basealloys.ThePrecisionMethodisrecommendedforgeneraluseandwillprovidethebestprecisionandaccuracythroughoutthetypicalO,N,andHconcentrationsfoundinthisgroupofmetals;approximatecycletimeis3.5minutes.TheFastTrackmethodcanbeusedwherespeedofanalysisisacriticalcomponent;forexample,whenmoltenmetalisbeingsampledandresultsarerequiredintheshortestpossibletime.Thismethodwillproducesuitableresultsformostsamples;approximatecycletimeis2.25minutes.Asnotedabove,samplingandsamplepreparationarekeyelementstoaccurateO,N,andHdeterminationaswell.Itisuptotheusertodeterminewhichmethodbestmeetstheirneeds.山西LECO分析仪咨询报价