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  • 齐全
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SummaryThedeterminationoftheamountofoxygen,nitrogen,andhydrogeniniron,steel,nickel-,andcobalt-basealloysrepresentssomeofthemostimportantqualitymetricsforthesematerials.Oxygenisusedtocreatesteelfrompigironbyremovingexcesscarbon.Oxygencontentmustbecontrolledtolimittheamountofcarbonmonoxidethatcanbeformedduringsolidificationwhichmaycauseexcessiveporosity.Nitrogenisconsideredbothanimpurityaswellasanimportantalloyingagent.Itcanbepresentasanitrideorinterstitiallyinitsgaseousform.Increasednitrogencontentisknowntoincreaseyieldandtensilestrength,thusdecreasingductilityandformability.Excessivelevelsmayevolveduringsolidificationthusincreasingporosity.Highhydrogencontentistheprimarycauseofembrittlement,blisteringandflakingduetoitshighmobilitythroughthelatticeandprovidesnopotentialalloyingbenefits.TheONH836utilizesahigh-powerelectrodefurnacetoquicklyandefficientlyreleasethetargetgasesfromwithinthesample,whichallowsforaveryrapidsimultaneousdeterminationofoxygen,nitrogen,andhydrogen.分析仪,就选上海禹重实业有限公司,欢迎客户来电!亳州分析仪厂家供应

亳州分析仪厂家供应,分析仪

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

亳州分析仪厂家供应,分析仪

Instrumentcalibration/driftcorrection.a.Loginaminimumof3Standardreplicates.b.Weigha~1.000gramofacalibration/driftstandard,enterthemassandstandardidentificationintoappropriatereplicatefields.c.PresstheAnalyzebuttonontheinstrumentscreen.Afterashortdelay,theloadingheadslide-blockwillopen.d.Placethecalibration/driftstandardintotheopenportatthetopoftheloadinghead.e.PresstheAnalyzebuttonontheinstrumentscreenagain,theloadingheadslide-blockwillcloseandthelowerelectrodewillopen.

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.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!

亳州分析仪厂家供应,分析仪

氧氮氢分析仪的常见故障及解决方法供电正常、通讯正常,点击确认键后分析仪不工作。这是没有水流,炉子温度太高或仪器通道电压不正常。如没有水流,炉子温度太高这些信息会显示在显示器画面上,但没有信息显示说明这两项正常。接下来检查仪器通道零位电压,如果比±3V高出1V以上,可能是因为气瓶空了,或者是空气进入到分析仪中。检查并更换化学试剂,如果有空气进入热导池里,热导池的电压就会<-6V,此时打开右面的门,堵住炉子气体进口,10s后,热导池电压值必然升高。经过逐一排查,**终确认碱石棉有问题,更换后仪器正常。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!安庆化学分析仪价格

上海禹重实业有限公司为您提供分析仪。亳州分析仪厂家供应

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.亳州分析仪厂家供应

上海禹重实业有限公司成立于2013-10-22年,在此之前我们已在光谱仪,色谱仪,质谱仪,样品前处理行业中有了多年的生产和服务经验,深受经销商和客户的好评。我们从一个名不见经传的小公司,慢慢的适应了市场的需求,得到了越来越多的客户认可。公司现在主要提供光谱仪,色谱仪,质谱仪,样品前处理等业务,从业人员均有光谱仪,色谱仪,质谱仪,样品前处理行内多年经验。公司员工技术娴熟、责任心强。公司秉承客户是上帝的原则,急客户所急,想客户所想,热情服务。赛默飞世尔严格按照行业标准进行生产研发,产品在按照行业标准测试完成后,通过质检部门检测后推出。我们通过全新的管理模式和周到的服务,用心服务于客户。在市场竞争日趋激烈的现在,我们承诺保证光谱仪,色谱仪,质谱仪,样品前处理质量和服务,再创佳绩是我们一直的追求,我们真诚的为客户提供真诚的服务,欢迎各位新老客户来我公司参观指导。

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