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北京美國LECO分析儀多少錢

來源: 發(fā)布時間:2022-04-14

Procedure-SolidSamplesPresstheAnalyzebuttonontheinstrumentscreenagain,theloadingheadslide-blockwillcloseandthelowerelectrodewillopen.Cleantheupperandlowerelectrodemanually,or,ifapplicable,removethecrucibleandpresstheanalyzebuttontocleanwiththeautomaticcleanerAddapproximately0.05gof***GraphitePowdertoa***GraphiteCrucible.Firmlyplacethecrucibleonthelowerelectrodetiporappropriateautoloaderposition.PresstheAnalyzebuttonontheinstrumentscreen,thelowerelectrodewillcloseandtheanalysissequencewillstartandendautomatically分析儀,就選上海禹重實業(yè)有限公司,讓您滿意,歡迎您的來電!北京美國LECO分析儀多少錢

北京美國LECO分析儀多少錢,分析儀

Instrumentcalibration/driftcorrection.a.Loginaminimumof3Standardreplicates.b.Weigha~1.000gramofacalibration/driftstandard,enterthemassandstandardidentificationintoappropriatereplicatefields.c.PresstheAnalyzebuttonontheinstrumentscreen.Afterashortdelay,theloadingheadslide-blockwillopen.d.Placethecalibration/driftstandardintotheopenportatthetopoftheloadinghead.e.PresstheAnalyzebuttonontheinstrumentscreenagain,theloadingheadslide-blockwillcloseandthelowerelectrodewillopen.北京美國LECO分析儀多少錢分析儀,就選上海禹重實業(yè)有限公司,讓您滿意,歡迎您的來電哦!

北京美國LECO分析儀多少錢,分析儀

SamplePreparationSamplingandsamplepreparationisanimportantissuebecausetraditionalmethodsusedtoobtainsamplesforoxygenandnitrogendeterminationaredifferentfromthoserecommendedforhydrogen,especiallywhensamplingmoltenmetal.Themaindifferenceinsteelsamplingproceduresforoxygen/nitrogenandhydrogenisduetothemobilityofhydrogen.Specialprecautionsmustbeusedwhensamplingforhydrogen.Frommoltensteelandiron,asamplemustbequicklyquenchedincoldwaterandchilledinarefrigerantsuchasliquefiednitrogenoramixtureofacetoneandsolidcarbondioxideinordertoreducelossesofhydrogenfromdiffusion.Lossesofoxygenandnitrogenfromdiffusionarenotaproblem.Asamplethatistakenforhydrogenandchilledinarefrigerantcanalsobeusedforoxygenandnitrogendetermination.However,asamplethatistypicallytakenforoxygenand/ornitrogendeterminationisnotsuitableforhydrogendeterminationduetohydrogenloss(diffusion).Surfacecontaminationmustberemovedbyfilingorlightgrinding,usingcarenottooverheatthesample.

Procedure-SolidSamples:--Instrumentcalibration/driftcorrection.Placethenickelbasketcontainingthecalibration/driftstandardintotheopenportatthetopoftheloadinghead.PresstheAnalyzebuttonontheinstrumentscreenagain,theloadingheadslide-blockwillcloseandthelowerelectrodewillopen.Cleantheupperandlowerelectrodemanually,or,ifapplicable,removethecrucibleandpresstheanalyzebuttontocleanwiththeautomaticcleaner.分析儀,就選上海禹重實業(yè)有限公司,用戶的信賴之選,歡迎您的來電哦!

北京美國LECO分析儀多少錢,分析儀

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.上海禹重實業(yè)有限公司為您提供分析儀,期待您的光臨!北京美國LECO分析儀多少錢

上海禹重實業(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!北京美國LECO分析儀多少錢

companyprofileShanghaiUzongIndustrialCo.,Ltd.(hereinafterreferredtoasUZONGLAB®)isahigh-techcompanythatprovidesintegratedsolutionsforintelligentlaboratories,mainlyservingtheChinesemarketandcountriesalongthe“BeltandRoad”.IthasthreebusinessdivisionsandoneThetechnologycenter,namelytheinstrumentbusinessdepartment,consumablesbusinessdepartment,projectdevelopmentdepartment,andZhongyuLianheTechnologyCenter.InadditiontotheShanghaiheadquarters,wehaveestablishedbranchesinBeijing,Shenyang,Shijiazhuang,Taiyuan,Qingdao,Guangzhou,ChengduandUrumqi.Toprovidecustomerswithmoreprofessional,saferandmoreconvenientproductsandservicesisoursolegoal.北京美國LECO分析儀多少錢

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