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.雙直流風扇保證持續(xù)冷卻,,不受電壓波動的影響。山東分析儀廠家供應
MethodSelectionTwomethodsaredescribedinthisapplicationnote;eithermethodcanbeusedtoanalyzeiron,steel,nickel-,andcobalt-basealloys.ThePrecisionMethodisrecommendedforgeneraluseandwillprovidethebestprecisionandaccuracythroughoutthetypicalO,N,andHconcentrationsfoundinthisgroupofmetals;approximatecycletimeis3.5minutes.TheFastTrackmethodcanbeusedwherespeedofanalysisisacriticalcomponent;forexample,whenmoltenmetalisbeingsampledandresultsarerequiredintheshortestpossibletime.Thismethodwillproducesuitableresultsformostsamples;approximatecycletimeis2.25minutes.Asnotedabove,samplingandsamplepreparationarekeyelementstoaccurateO,N,andHdeterminationaswell.Itisuptotheusertodeterminewhichmethodbestmeetstheirneeds.廣東氧氮氫分析儀供應商穩(wěn)固的爐頭試樣加載結構。
Procedure–Powder/ChipSamplesInstrumentcalibration/driftcorrection.Calibrate/driftfollowingtheprocedureoutlinedintheoperatorsinstructionmanual.AnalyzeSamples.LoginSamplewiththeappropriatenumberofreps.Weighapproximately***gramsofappropriatelypreparedsampleintoa***NickelCapsule,entermassandsampleidentificationintoappropriaterepfields.Ifapplicable,placethenickelcapsuleintheappropriateautoloaderposition.Repeatsteps3cthrough3iforsampleanalysis.
Oxygen,Nitrogen,andHydrogeninRefractoryMetalsSummaryOxygenandnitrogenarealloyingelementsintitanium,andarealsoclassifiedasalphastabilizingelementsastheypromotealphaphasealloys.Interstitialoxygenandnitrogenlevelscanbeusedtoregulatethetensilestrengthofthematerial,butduetoitshighsolubilitycancauseunwantedsurfaceembrittlement.Thisphenomenoncanbeleveraged,however,undercontrolledprocessingtocreatesurfacefilmsthatincreasesurfacehardnessandwearproperties.裝有自動旁路閥的可快速拆裝氧水捕集裝置。
ONH836氧氮氫分析儀高頻燃燒紅外檢測技分析無機材料中的碳,、硫含量,。采用惰性氣體保護熔融法提供各種無機材料、鋼鐵,、有色金屬,、硬質合金,、難熔金屬,、陶瓷等材料中寬范圍的氧氮氫同時分析。該儀器配置MSWindows®的軟件接口,,專為觸摸屏操作定制,。長期的開發(fā)研究與客戶反饋相結合,這個簡單方便的軟件使得用戶可以快速完整訪問儀器控制,分析設置,,故障診斷,,數據報告,**提高日常分析的效率并節(jié)省用戶寶貴的時間,??蛇x的Cornerstone®Mobile軟件功能,,使得用戶可以在手機,便攜式電腦及臺式電腦上便捷的訪問儀器數據,,分析曲線圖形以及儀器的狀態(tài),,實現對儀器的遙控。采用三個**的紅外器檢測氧含量,,同時檢測CO和CO2,,然后在轉化為CO2集中檢測。江蘇進口分析儀價格
為可**的Cornerstone 氧氮氧分析軟件采用觸摸屏界面使用戶達到分析控制、15法設定、在線診斷,、數據報告,。山東分析儀廠家供應
LECO—YoursourcefortotalanalyticalsolutionsCSCS844and744Series:Carbon/SulfurbyCombustionCarbonandsulfurdeterminationbycombustioninfrareddetectionQuick,accurate,andaffordabledeterminationforbothproductioncontrolandresearchCalibration,analysis,evaluation,anddiagnosticfunctionsaccessibleviauser-friendlybrandsoftwareGDSGDS500Aand850AAtomicEmissionSpectrometersSpectralrangefrom120to800nmContinuousprofileofconcentration/thicknessLarge,dynamicrangewithconcentrationsfromppmto100%byweightShortanalysistime(minutes)山東分析儀廠家供應
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