金山LECO744分析仪

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为您提供分析仪，欢迎您的来电哦！金山LECO744分析仪

力可ONH836氧氮氢分析仪特征稳固的炉头试样加载结构试样加载过程中完全密闭，消除大气的中可能带来的杂质的污染；简化日常分析所需的炉头进样部分机械维护工作。可选的自动功能上下电极自动清扫装置；20位试样及坩埚自动进样装置。附加功能及优点可选六轴可旋转触摸屏幕，增强了操作的工效和直观性；可选具有压力补偿和温度控制性能的标气检测气路；新型气路管道减少气路连接阀，使得漏气，断路故障更少；配置SmartLineRemote远程诊断功能。建德分析仪耗材上海禹重实业有限公司为您提供分析仪，有想法的不要错过哦！

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。

Procedure–Powder/ChipSamplesDeterminetheinstrumentblank.PresstheAnalyzebuttonontheinstrumentscreenagain,theloadingheadslide-blockwillcloseandthelowerelectrodewillopen.Cleantheupperandlowerelectrodeeithermanuallyorremovethecrucibleandpresstheanalyzebuttontocleanwithanautomaticcleanerifapplicable.Addapproximately0.05gof***GraphitePowdertoa782-720GraphiteCrucible.Firmlyplacethecrucibleonthelowerelectrodetiporappropriateautoloaderposition.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！

Procedure-SolidSamplesPreparetheinstrumentasoutlinedintheoperatorsinstructionmanual.Determinetheinstrumentblank.Loginaminimumof3Blankreplicates.PresstheAnalyzebuttonontheinstrumentscreen.Afterashortdelay,theloadingheadslide-blockwillopen.Placea502-344NickelBasketintotheloadinghead.Note:samplesusingautomationshouldbeplacedintheappropriateautoloaderpositionbeforestartingtheanalysissequence.Oncethesequencehasstarted,theautomaticanalysiswillstartandendautomatically.上海禹重实业有限公司是一家专业提供分析仪的公司，有需求可以来电咨询！温岭力可CS744分析仪

上海禹重实业有限公司是一家专业提供分析仪的公司，欢迎您的来电！金山LECO744分析仪

SummaryThedeterminationoftheamountofoxygen,nitrogen,andhydrogeniniron,steel,nickel-,andcobalt-basealloysrepresentssomeofthemostimportantqualitymetricsforthesematerials.Oxygenisusedtocreatesteelfrompigironbyremovingexcesscarbon.Oxygencontentmustbecontrolledtolimittheamountofcarbonmonoxidethatcanbeformedduringsolidificationwhichmaycauseexcessiveporosity.Nitrogenisconsideredbothanimpurityaswellasanimportantalloyingagent.Itcanbepresentasanitrideorinterstitiallyinitsgaseousform.Increasednitrogencontentisknowntoincreaseyieldandtensilestrength,thusdecreasingductilityandformability.Excessivelevelsmayevolveduringsolidificationthusincreasingporosity.Highhydrogencontentistheprimarycauseofembrittlement,blisteringandflakingduetoitshighmobilitythroughthelatticeandprovidesnopotentialalloyingbenefits.TheONH836utilizesahigh-powerelectrodefurnacetoquicklyandefficientlyreleasethetargetgasesfromwithinthesample,whichallowsforaveryrapidsimultaneousdeterminationofoxygen,nitrogen,andhydrogen.金山LECO744分析仪

禹重科技，2013-10-22正式启动，成立了光谱仪，色谱仪，质谱仪，样品前处理等几大市场布局，应对行业变化，顺应市场趋势发展，在创新中寻求突破，进而提升赛默飞世尔的市场竞争力，把握市场机遇，推动仪器仪表产业的进步。禹重科技经营业绩遍布国内诸多地区地区，业务布局涵盖光谱仪，色谱仪，质谱仪，样品前处理等板块。随着我们的业务不断扩展，从光谱仪，色谱仪，质谱仪，样品前处理等到众多其他领域，已经逐步成长为一个独特，且具有活力与创新的企业。值得一提的是，禹重科技致力于为用户带去更为定向、专业的仪器仪表一体化解决方案，在有效降低用户成本的同时，更能凭借科学的技术让用户极大限度地挖掘赛默飞世尔的应用潜能。