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.分析儀,就選上海禹重實業(yè)有限公司,有需求可以來電咨詢!廣東專業(yè)分析儀廠家報價
InstrumentHighlightsandFeaturesFeaturesandBenefitsLEDlightringilluminatesthefurnaceareaChoiceofeitherargonorheliumcarriergasNovelelectrodedesignincreasesheattransferefficiencyforincreasedstabilityNon-touchinterfacesystemsarealsoavailableUser-friendlybrandsoftwareHigh-PerformanceDetectorDesignThermostaticconstructionprovidesincreasedprotectionfromambienttemperaturefluctuationsOptimizedemittercontrolanddetectioncircuitryimprovestheIRcelllifetimeandlong-termstability,resultinginsuperioraccuracyandprecisionInfrareddetectionforthedeterminationofoxygen,thermoconductivitydetectionforthedeterminationofnitrogen安徽LECO氧氮氫分析儀采購上海禹重實業(yè)有限公司分析儀獲得眾多用戶的認可。
Procedure-SolidSamples:--Instrumentcalibration/driftcorrection.Placethenickelbasketcontainingthecalibration/driftstandardintotheopenportatthetopoftheloadinghead.PresstheAnalyzebuttonontheinstrumentscreenagain,theloadingheadslide-blockwillcloseandthelowerelectrodewillopen.Cleantheupperandlowerelectrodemanually,or,ifapplicable,removethecrucibleandpresstheanalyzebuttontocleanwiththeautomaticcleaner.
Procedure–Powder/ChipSamplesDeterminetheinstrumentblank.PresstheAnalyzebuttonontheinstrumentscreen,thelowerelectrodewillcloseandtheanalysissequencewillstartandendautomatically.Repeatsteps2bthrough2gaminimumofthreetimes.Settheblankfollowingtheprocedureoutlinedintheoperatorsinstructionmanual.Instrumentcalibration/driftcorrection.LoginaminimumofthreeStandardreps.Weighapproximately***gramsofacalibration/driftstandardintoa***NickelCapsule;enterthemassandstandardidentificationintoappropriaterepfields.Ifapplicable,placethenickelcapsuleintheappropriateautoloaderposition.Note:LECOReferenceMateria***onotrequirepreparation.Seepreparationstatementonthereferencematerialcertificate.SolidStandardsmaybeusedtocalibratewhenchiporpowderstandardsarenotavailable.上海禹重實業(yè)有限公司為您提供分析儀,有想法的不要錯過哦!
LECO—YoursourcefortotalanalyticalsolutionsCSCS844and744Series:Carbon/SulfurbyCombustionCarbonandsulfurdeterminationbycombustioninfrareddetectionQuick,accurate,andaffordabledeterminationforbothproductioncontrolandresearchCalibration,analysis,evaluation,anddiagnosticfunctionsaccessibleviauser-friendlybrandsoftwareGDSGDS500Aand850AAtomicEmissionSpectrometersSpectralrangefrom120to800nmContinuousprofileofconcentration/thicknessLarge,dynamicrangewithconcentrationsfromppmto100%byweightShortanalysistime(minutes)分析儀,就選上海禹重實業(yè)有限公司,讓您滿意,歡迎新老客戶來電!浙江美國分析儀價格
上海禹重實業(yè)有限公司為您提供分析儀,期待為您服務(wù)!廣東專業(yè)分析儀廠家報價
力可ONH836氧氮氫分析儀特點和優(yōu)勢國際**的非色散紅外及熱導(dǎo)檢測器,無移動部件,不需要手動調(diào)整采用三個**的紅外器檢測氧含量,同時檢測CO和CO2,然后在轉(zhuǎn)化為CO2集中檢測,原理上是**完善的,所以不僅可以保證中間量程的測量精度,在**含量和高含量的檢測范圍內(nèi)同樣可以滿足精度要求高性能的紅外檢測器配置***恒溫絕熱技術(shù),消除了外界環(huán)境溫度的干擾長壽命的紅外發(fā)射光源和無漂移的電路設(shè)計保證檢測器的長期穩(wěn)定性力可的動態(tài)流量補償控制DFC系統(tǒng),保證了流量系統(tǒng)的完善,可以精確控制整個氣路中的流量,保持流量恒定**改善了材料中氮分析的準(zhǔn)確度可以旁路的OMI-2氣路強化過濾裝置增強了檢測器的穩(wěn)定性,使得分析結(jié)果更加準(zhǔn)確可選自動功能20位試樣自動進樣系統(tǒng)通用下電極坩堝支座,容納各種坩堝使用無需人工干預(yù)的全自動清掃系統(tǒng)廣東專業(yè)分析儀廠家報價