泰兴LECO氮分析仪

SamplePreparationSamplingandsamplepreparationisanimportantissuebecausetraditionalmethodsusedtoobtainsamplesforoxygenandnitrogendeterminationaredifferentfromthoserecommendedforhydrogen,especiallywhensamplingmoltenmetal.Themaindifferenceinsteelsamplingproceduresforoxygen/nitrogenandhydrogenisduetothemobilityofhydrogen.Specialprecautionsmustbeusedwhensamplingforhydrogen.Frommoltensteelandiron,asamplemustbequicklyquenchedincoldwaterandchilledinarefrigerantsuchasliquefiednitrogenoramixtureofacetoneandsolidcarbondioxideinordertoreducelossesofhydrogenfromdiffusion.Lossesofoxygenandnitrogenfromdiffusionarenotaproblem.Asamplethatistakenforhydrogenandchilledinarefrigerantcanalsobeusedforoxygenandnitrogendetermination.However,asamplethatistypicallytakenforoxygenand/ornitrogendeterminationisnotsuitableforhydrogendeterminationduetohydrogenloss(diffusion).Surfacecontaminationmustberemovedbyfilingorlightgrinding,usingcarenottooverheatthesample.分析仪，就选上海禹重实业有限公司，用户的信赖之选，有想法的不要错过哦！泰兴LECO氮分析仪

Procedure–Powder/ChipSamplesInstrumentcalibration/driftcorrection.Addapproximately0.05gof***GraphitePowdertoa***GraphiteCrucible.Firmlyplacethecrucibleonthelowerelectrodetiporappropriateautoloaderposition.PresstheAnalyzebuttonontheinstrumentscreen,thelowerelectrodewillcloseandtheanalysissequencewillstartandendautomatically.Repeatsteps3bthrough3iaminimumofthreetimesforeachcalibration/driftstandardused.台州分析仪标样分析仪，就选上海禹重实业有限公司，用户的信赖之选，有想法可以来我司咨询！

仪器的亮点和优势：特点和优势·炉头区域LED照明系统·炉头快速拆装的粉尘过滤装置·装有自动旁路阀的可快速拆装氧水捕集装置·的动态流量补偿（DFC）保证热导池气体流量、压力恒定高效脉冲炉冷却系统·强力内循环水冷装置热交换效率·双直流风扇保证持续冷却，不受电压波动的影响·***电极炉头设计，提高脉冲炉全自动分析系统（可选）·自动清扫装置·20位或100位全自动分析系统·高效全自动真空除尘装置直接将粉尘排至仪器外部捕集器中，消除环境污染改进的红外检测池技术·红外池的恒温绝热技术消除了外界环境温度的干扰·长寿命的红外发射光源和无漂移的电路设计保证红外检测池的长期稳定性·氧高低双量程采用3个碳红外检测器同时检测一氧化碳和二氧化碳，保证准确定量

Procedure-SolidSamplesDeterminetheinstrumentblank.Repeatsteps2bthrough2gaminimumofthreetimes.Settheblankfollowingtheprocedureoutlinedintheoperatorsinstructionmanual.Instrumentcalibration/driftcorrection.Loginaminimumof3Standardreplicates.Weighapproximately***gramsofacalibration/driftstandard,enterthemassandstandardidentificationintoappropriatereplicatefields.Note:LECOReferenceMateria***onotrequirepreparation.Seepreparationstatementonthereferencematerialcertificate.分析仪，就选上海禹重实业有限公司，用户的信赖之选。

MethodSelectionTwomethodsaredescribedinthisapplicationnote;eithermethodcanbeusedtoanalyzeiron,steel,nickel-,andcobalt-basealloys.ThePrecisionMethodisrecommendedforgeneraluseandwillprovidethebestprecisionandaccuracythroughoutthetypicalO,N,andHconcentrationsfoundinthisgroupofmetals;approximatecycletimeis3.5minutes.TheFastTrackmethodcanbeusedwherespeedofanalysisisacriticalcomponent;forexample,whenmoltenmetalisbeingsampledandresultsarerequiredintheshortestpossibletime.Thismethodwillproducesuitableresultsformostsamples;approximatecycletimeis2.25minutes.Asnotedabove,samplingandsamplepreparationarekeyelementstoaccurateO,N,andHdeterminationaswell.Itisuptotheusertodeterminewhichmethodbestmeetstheirneeds.上海禹重实业有限公司致力于提供分析仪，欢迎您的来电哦！台州分析仪标样

上海禹重实业有限公司为您提供分析仪，有需求可以来电咨询！泰兴LECO氮分析仪

Oxygen,Nitrogen,andHydrogeninRefractoryMetalsSummaryOxygenandnitrogenarealloyingelementsintitanium,andarealsoclassifiedasalphastabilizingelementsastheypromotealphaphasealloys.Interstitialoxygenandnitrogenlevelscanbeusedtoregulatethetensilestrengthofthematerial,butduetoitshighsolubilitycancauseunwantedsurfaceembrittlement.Thisphenomenoncanbeleveraged,however,undercontrolledprocessingtocreatesurfacefilmsthatincreasesurfacehardnessandwearproperties.泰兴LECO氮分析仪

上海禹重实业有限公司主营品牌有赛默飞世尔，发展规模团队不断壮大，该公司服务型的公司。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。公司拥有专业的技术团队，具有光谱仪，色谱仪，质谱仪，样品前处理等多项业务。禹重科技自成立以来，一直坚持走正规化、专业化路线，得到了广大客户及社会各界的普遍认可与大力支持。