湖州力可氧氮氢分析仪多少钱

SamplePreparationSamplingandsamplepreparationisanimportantissuebecausetraditionalmethodsusedtoobtainsamplesforoxygenandnitrogendeterminationaredifferentfromthoserecommendedforhydrogen,especiallywhensamplingmoltenmetal.Themaindifferenceinsteelsamplingproceduresforoxygen/nitrogenandhydrogenisduetothemobilityofhydrogen.Specialprecautionsmustbeusedwhensamplingforhydrogen.Frommoltensteelandiron,asamplemustbequicklyquenchedincoldwaterandchilledinarefrigerantsuchasliquefiednitrogenoramixtureofacetoneandsolidcarbondioxideinordertoreducelossesofhydrogenfromdiffusion.Lossesofoxygenandnitrogenfromdiffusionarenotaproblem.Asamplethatistakenforhydrogenandchilledinarefrigerantcanalsobeusedforoxygenandnitrogendetermination.However,asamplethatistypicallytakenforoxygenand/ornitrogendeterminationisnotsuitableforhydrogendeterminationduetohydrogenloss(diffusion).Surfacecontaminationmustberemovedbyfilingorlightgrinding,usingcarenottooverheatthesample.上海禹重实业有限公司是一家专业提供分析仪的公司，有想法的不要错过哦！湖州力可氧氮氢分析仪多少钱

MethodSelectionTwomethodsaredescribedinthisapplicationnote;eithermethodcanbeusedtoanalyzeiron,steel,nickel-,andcobalt-basealloys.ThePrecisionMethodisrecommendedforgeneraluseandwillprovidethebestprecisionandaccuracythroughoutthetypicalO,N,andHconcentrationsfoundinthisgroupofmetals;approximatecycletimeis3.5minutes.TheFastTrackmethodcanbeusedwherespeedofanalysisisacriticalcomponent;forexample,whenmoltenmetalisbeingsampledandresultsarerequiredintheshortestpossibletime.Thismethodwillproducesuitableresultsformostsamples;approximatecycletimeis2.25minutes.Asnotedabove,samplingandsamplepreparationarekeyelementstoaccurateO,N,andHdeterminationaswell.Itisuptotheusertodeterminewhichmethodbestmeetstheirneeds.金华力可氧氮氢分析仪优惠价格上海禹重实业有限公司致力于提供分析仪，期待您的光临！

Procedure-SolidSamplesPreparetheinstrumentasoutlinedintheoperatorsinstructionmanual.Determinetheinstrumentblank.Loginaminimumof3Blankreplicates.PresstheAnalyzebuttonontheinstrumentscreen.Afterashortdelay,theloadingheadslide-blockwillopen.Placea502-344NickelBasketintotheloadinghead.Note:samplesusingautomationshouldbeplacedintheappropriateautoloaderpositionbeforestartingtheanalysissequence.Oncethesequencehasstarted,theautomaticanalysiswillstartandendautomatically.

Procedure–Powder/ChipSamplesInstrumentcalibration/driftcorrection.Addapproximately0.05gof***GraphitePowdertoa***GraphiteCrucible.Firmlyplacethecrucibleonthelowerelectrodetiporappropriateautoloaderposition.PresstheAnalyzebuttonontheinstrumentscreen,thelowerelectrodewillcloseandtheanalysissequencewillstartandendautomatically.Repeatsteps3bthrough3iaminimumofthreetimesforeachcalibration/driftstandardused.上海禹重实业有限公司为您提供分析仪，有想法可以来我司咨询！

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，让您满意，欢迎您的来电！崇明区力可氧氮氢分析仪

分析仪，就选上海禹重实业有限公司，用户的信赖之选。湖州力可氧氮氢分析仪多少钱

美国LECO力可氧氮氢分析仪ONH836（氧氮氢联测仪）系列硬件部分特点和优势1、炉头区域LED照明系统2、炉头快速拆装的粉尘过滤装置3、装有自动旁路阀的可快速拆装氧水捕集装置4、的动态流量补偿（DFC）保证热导池气体流量、压力恒定5、改进的红外检测池技术 新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  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  6、高效脉冲炉冷却系统  强力内循环水冷装置  双直流风扇保证持续冷却，不受电压波动的影响  新电极炉头设计，提高脉冲炉热交换效率  7、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  高速全自动真空除尘装置直接将粉尘排至仪器外部捕集器中，消除环境污染湖州力可氧氮氢分析仪多少钱

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