Procedure-SolidSamplesPresstheAnalyzebuttonontheinstrumentscreenagain,theloadingheadslide-blockwillcloseandthelowerelectrodewillopen.Cleantheupperandlowerelectrodemanually,or,ifapplicable,removethecrucibleandpresstheanalyzebuttontocleanwiththeautomaticcleanerAddapproximately0.05gof***GraphitePowdertoa***GraphiteCrucible.Firmlyplacethecrucibleonthelowerelectrodetiporappropriateautoloaderposition.PresstheAnalyzebuttonontheinstrumentscreen,thelowerelectrodewillcloseandtheanalysissequencewillstartandendautomatically上海禹重实业有限公司为您提供分析仪,期待为您服务!江苏元素分析仪厂家供应
Procedure-SolidSamplesInstrumentcalibration/driftcorrection.Placethecalibration/driftstandardina***NickelBasket,andifapplicable,placethesampleintotheappropriateautoloaderposition.PresstheAnalyzebuttonontheinstrumentscreen.Afterashortdelay,theloadingheadslide-blockwillopen.Note:samplesusingautomationshouldbeplacedintheappropriateautoloaderpositionbeforestartingtheanalysissequence.Oncethesequencehasstarted,theautomaticanalysiswillstartandendautomatically.上海进口分析仪厂家报价分析仪,就选上海禹重实业有限公司。
力可ONH836氧氮氢分析仪特点和优势国际**的非色散红外及热导检测器,无移动部件,不需要手动调整采用三个**的红外器检测氧含量,同时检测CO和CO2,然后在转化为CO2集中检测,原理上是**完善的,所以不仅可以保证中间量程的测量精度,在**含量和高含量的检测范围内同样可以满足精度要求高性能的红外检测器配置***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检测器的长期稳定性力可的动态流量补偿控制DFC系统,保证了流量系统的完善,可以精确控制整个气路中的流量,保持流量恒定**改善了材料中氮分析的准确度可以旁路的OMI-2气路强化过滤装置增强了检测器的稳定性,使得分析结果更加准确可选自动功能20位试样自动进样系统通用下电极坩埚支座,容纳各种坩埚使用无需人工干预的全自动清扫系统
氧氮氢分析仪的优点采用惰气熔融技术,同时测定氧、氮和氢元素含量新设计封闭气路系统,优化气路循环,使氧氮氢测量更准确可采用更廉价的氩气作为载气催化炉温度可调,使氧的测量更加准确气路系统都采用电磁阀控制,新增分段式漏气检测水冷样品加样端口,有效隔绝杂质气体侵入仪器配置和氧、氮、氢测量范围可灵活选择新设计的高灵敏度红外检测池和热导池,有极低的检出限分析时间短脉冲炉功率高达8.5kw,温度3000℃颗粒状样品无需胶囊包裹,使用经济实惠化学试剂及管路隐藏在门后(可移除)强大的分析软件(支持数据和应用报告导出、增加评论区及其他更多功能)。单点和多点校正(线性回归)可采用自来水、冷却循环水机或交换机冷却新设计的产品可用于各类生产控制和实验室。上海禹重实业有限公司是一家专业提供分析仪的公司,有想法的可以来电咨询!
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,欢迎您的来电!美国LECO分析仪厂家报价
分析仪,就选上海禹重实业有限公司,让您满意,欢迎新老客户来电!江苏元素分析仪厂家供应
SummaryThedeterminationoftheamountofoxygen,nitrogen,andhydrogeniniron,steel,nickel-,andcobalt-basealloysrepresentssomeofthemostimportantqualitymetricsforthesematerials.Oxygenisusedtocreatesteelfrompigironbyremovingexcesscarbon.Oxygencontentmustbecontrolledtolimittheamountofcarbonmonoxidethatcanbeformedduringsolidificationwhichmaycauseexcessiveporosity.Nitrogenisconsideredbothanimpurityaswellasanimportantalloyingagent.Itcanbepresentasanitrideorinterstitiallyinitsgaseousform.Increasednitrogencontentisknowntoincreaseyieldandtensilestrength,thusdecreasingductilityandformability.Excessivelevelsmayevolveduringsolidificationthusincreasingporosity.Highhydrogencontentistheprimarycauseofembrittlement,blisteringandflakingduetoitshighmobilitythroughthelatticeandprovidesnopotentialalloyingbenefits.TheONH836utilizesahigh-powerelectrodefurnacetoquicklyandefficientlyreleasethetargetgasesfromwithinthesample,whichallowsforaveryrapidsimultaneousdeterminationofoxygen,nitrogen,andhydrogen.江苏元素分析仪厂家供应