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對(duì)講機(jī)常見(jiàn)故障問(wèn)題與解決方法,上海凌越實(shí)業(yè)有限公
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Oxygen,Nitrogen,andHydrogeninRefractoryMetalsSummaryOneofthemostcriticalchemicalspecificationsoftitaniumalloysisthehydrogencontent.Toohighofahydrogencontentcancausehydridestoprecipitate,whichcanleadtoembrittlementandsubsequentcrackingwhenthealloyisstressed.Hydrogenpickuptypicallyoccursduringdownstreamprocessingstepssuchasheattreating,pickling,andcleaning.TheLECOONH836isasimultaneousoxygen,nitrogen,andhydrogendeterminatorthatutilizesanelectrodefurnace,inertcarriergas,andbothinfraredandthermalconductivitydetectiontomeettheanalyticalneedsoftherefractorymetalindustry.ThisapplicationnotewaswrittenspecificallyforusewiththeLECOONH836seriesdeterminator.上海禹重實(shí)業(yè)有限公司致力于提供分析儀,有想法的可以來(lái)電咨詢!靜安區(qū)氧氮?dú)浞治鰞x咨詢報(bào)價(jià)
companyprofileShanghaiUzongIndustrialCo.,Ltd.(hereinafterreferredtoasUZONGLAB®)isahigh-techcompanythatprovidesintegratedsolutionsforintelligentlaboratories,mainlyservingtheChinesemarketandcountriesalongthe“BeltandRoad”.IthasthreebusinessdivisionsandoneThetechnologycenter,namelytheinstrumentbusinessdepartment,consumablesbusinessdepartment,projectdevelopmentdepartment,andZhongyuLianheTechnologyCenter.InadditiontotheShanghaiheadquarters,wehaveestablishedbranchesinBeijing,Shenyang,Shijiazhuang,Taiyuan,Qingdao,Guangzhou,ChengduandUrumqi.Toprovidecustomerswithmoreprofessional,saferandmoreconvenientproductsandservicesisoursolegoal.淮北原裝分析儀咨詢報(bào)價(jià)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,有需求可以來(lái)電咨詢!
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.
Instrumentcalibration/driftcorrection.a.Loginaminimumof3Standardreplicates.b.Weigha~1.000gramofacalibration/driftstandard,enterthemassandstandardidentificationintoappropriatereplicatefields.c.PresstheAnalyzebuttonontheinstrumentscreen.Afterashortdelay,theloadingheadslide-blockwillopen.d.Placethecalibration/driftstandardintotheopenportatthetopoftheloadinghead.e.PresstheAnalyzebuttonontheinstrumentscreenagain,theloadingheadslide-blockwillcloseandthelowerelectrodewillopen.上海禹重實(shí)業(yè)有限公司為您提供分析儀,歡迎新老客戶來(lái)電!
氧氮?dú)浞治鰞x的原理:分析樣品在惰性氣流存在下于石墨坩堝中加熱熔融,其中脈沖爐溫度可自由設(shè)定,并通過(guò)一個(gè)非接觸式的光學(xué)溫度傳感器進(jìn)行實(shí)時(shí)監(jiān)控,用于實(shí)現(xiàn)樣品的完全分解,反應(yīng)所生成的COH2和N2被帶入到具有高穩(wěn)定性和靈敏度的檢測(cè)系統(tǒng)進(jìn)行檢測(cè)。對(duì)于CO的檢測(cè)采用的是非色散性紅外檢測(cè)器,對(duì)于N2和H2的檢測(cè)則采用熱導(dǎo)檢測(cè)器。氧氮?dú)浞治鰞x的特點(diǎn):快速準(zhǔn)確分析,自動(dòng)化操作;精密氣體校準(zhǔn);CO紅外檢測(cè)器,高分辨率和重現(xiàn)性的N、H熱導(dǎo)池檢測(cè)器;同一臺(tái)儀器實(shí)現(xiàn)熔融提取和熱提?。粺崽崛》治鰰r(shí)間可調(diào);可自由選擇溫度高達(dá)2500°C;光學(xué)溫度計(jì)溫度測(cè)定和控制;所有檢測(cè)器自動(dòng)調(diào)零/自動(dòng)水平控制(ALC);數(shù)據(jù)評(píng)估的自動(dòng)優(yōu)化選擇范圍;爐自動(dòng)清潔和坩堝自動(dòng)進(jìn)樣(可選);外設(shè)電腦進(jìn)行操作和控制;樣品信息保存;所有樣品數(shù)據(jù)可追蹤查詢;通過(guò)FTP或本地局域網(wǎng)進(jìn)行數(shù)據(jù)傳輸;ON,H分析輕松切換。上海禹重實(shí)業(yè)有限公司致力于提供分析儀,歡迎您的來(lái)電!臺(tái)州力可LECO分析儀
分析儀,就選上海禹重實(shí)業(yè)有限公司,歡迎客戶來(lái)電!靜安區(qū)氧氮?dú)浞治鰞x咨詢報(bào)價(jià)
Procedure-SolidSamplesDeterminetheinstrumentblank.Repeatsteps2bthrough2gaminimumofthreetimes.Settheblankfollowingtheprocedureoutlinedintheoperatorsinstructionmanual.Instrumentcalibration/driftcorrection.Loginaminimumof3Standardreplicates.Weighapproximately***gramsofacalibration/driftstandard,enterthemassandstandardidentificationintoappropriatereplicatefields.Note:LECOReferenceMateria***onotrequirepreparation.Seepreparationstatementonthereferencematerialcertificate.靜安區(qū)氧氮?dú)浞治鰞x咨詢報(bào)價(jià)
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