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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.上海禹重實(shí)業(yè)有限公司致力于提供分析儀，竭誠為您服務(wù)。LECO分析儀供應(yīng)商

Procedure–Powder/ChipSamplesInstrumentcalibration/driftcorrection.PresstheAnalyzebuttonontheinstrumentscreen.Afterashortdelay,theloadingheadslide-blockwillopen.PlacetheNickelCapsulecontainingthesampleintotheopenportatthetopoftheloadinghead.PresstheAnalyzebuttonontheinstrumentscreenagain,theloadingheadslide-blockwillcloseandthelowerelectrodewillopen.Cleantheupperandlowerelectrodeeithermanuallyorremovethecrucibleandpresstheanalyzebuttontocleanwithanautomaticcleanerifapplicable.LECO分析儀供應(yīng)商上海禹重實(shí)業(yè)有限公司是一家專業(yè)提供分析儀的公司，歡迎新老客戶來電！

美國力可LECO氧氮?dú)浞治鰞x公司介紹：美國力可公司(LECO)始于1936年，以生產(chǎn)用于冶金、機(jī)械、能源、化工、農(nóng)業(yè)、食品及科研開發(fā)領(lǐng)域的各種分析儀器。ONH836氧氣/氮?dú)?氫氣元素分析儀設(shè)計(jì)用于使用惰性氣體熔融技術(shù)對無機(jī)材料，鐵和非鐵合金以及耐火材料中的氧，氮和氫含量進(jìn)行寬范圍的測量。堅(jiān)固的樣品加載區(qū)域可簡化日常維護(hù)并大程度減少大氣污染用于氧氣檢測的三重紅外電池可實(shí)現(xiàn)業(yè)內(nèi)大的檢測范圍通過自動化選項(xiàng)提高實(shí)驗(yàn)室生產(chǎn)率可用的自動清潔器大程度地減少了兩次分析之間的手動清潔需求適用于坩堝和樣品的20位往復(fù)式裝載機(jī)安裝在動臂上的觸摸屏界面可提供更好的人體工程學(xué)設(shè)計(jì)和直觀的操作紅外（IR）和熱導(dǎo)率（TC）檢測器，沒有活動部件，也無需手動調(diào)節(jié)改善TC電池的穩(wěn)定性可繞過的OMI-2載氣洗滌塔，提高了TC電池的穩(wěn)定性獲得Dyanamic流量補(bǔ)償可進(jìn)一步增強(qiáng)TC細(xì)胞的穩(wěn)定性

Procedure–Powder/ChipSamplesInstrumentcalibration/driftcorrection.Calibrate/driftfollowingtheprocedureoutlinedintheoperatorsinstructionmanual.AnalyzeSamples.LoginSamplewiththeappropriatenumberofreps.Weighapproximately***gramsofappropriatelypreparedsampleintoa***NickelCapsule,entermassandsampleidentificationintoappropriaterepfields.Ifapplicable,placethenickelcapsuleintheappropriateautoloaderposition.Repeatsteps3cthrough3iforsampleanalysis.上海禹重實(shí)業(yè)有限公司為您提供分析儀，有想法可以來我司咨詢！

Instrumentcalibration/driftcorrectionf.Cleantheupperandlowerelectrodemanually,or,ifapplicable,removethecrucibleandpresstheanalyzebuttontocleanwiththeautomaticcleaner.g.Firmlyplaceagraphitecrucibleonthelowerelectrodetip.h.PresstheAnalyzebuttonontheinstrumentscreen,thelowerelectrodewillcloseandtheanalysissequencewillstartandendautomatically.i.Repeatsteps3bthrough3haminimumofthreetimesforeachcalibration/driftstandardused..Calibrate/driftfollowingtheprocedureoutlinedintheoperatorsinstructionmanual.上海禹重實(shí)業(yè)有限公司是一家專業(yè)提供分析儀的公司，期待您的光臨！LECO分析儀供應(yīng)商

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SamplePreparationSamplingandsamplepreparationofrefractorymetalssuchastitaniumandzirconiumissomewhatdifferentfromthatofsteel.Unlikesteelsamples,hydrogenisnotasmobileinthisgroupofmaterials;therefore,storageinliquidnitrogenordryiceisnotrequired.However,itisimportanttokeepthesamplecoolwhencuttingorsectioning.Samplepreparationforoxygenandnitrogendeterminationhasbeendifferentfromthatofhydrogendetermination.LECO分析儀供應(yīng)商