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.上海禹重實業有限公司致力于提供分析儀,有想法可以來我司咨詢。奉賢區力可分析儀
InstrumentHighlightsandFeaturesFeaturesandBenefitsLEDlightringilluminatesthefurnaceareaChoiceofeitherargonorheliumcarriergasNovelelectrodedesignincreasesheattransferefficiencyforincreasedstabilityNon-touchinterfacesystemsarealsoavailableUser-friendlybrandsoftwareHigh-PerformanceDetectorDesignThermostaticconstructionprovidesincreasedprotectionfromambienttemperaturefluctuationsOptimizedemittercontrolanddetectioncircuitryimprovestheIRcelllifetimeandlong-termstability,resultinginsuperioraccuracyandprecisionInfrareddetectionforthedeterminationofoxygen,thermoconductivitydetectionforthedeterminationofnitrogen徐匯區化學分析儀上海禹重實業有限公司為您提供分析儀,歡迎您的來電!
Procedure–Powder/ChipSamplesInstrumentcalibration/driftcorrection.Calibrate/driftfollowingtheprocedureoutlinedintheoperatorsinstructionmanual.AnalyzeSamples.LoginSamplewiththeappropriatenumberofreps.Weighapproximately***gramsofappropriatelypreparedsampleintoa***NickelCapsule,entermassandsampleidentificationintoappropriaterepfields.Ifapplicable,placethenickelcapsuleintheappropriateautoloaderposition.Repeatsteps3cthrough3iforsampleanalysis.
MethodSelectionTwomethodsaredescribedinthisapplicationnote;eithermethodcanbeusedtoanalyzeiron,steel,nickel-,andcobalt-basealloys.ThePrecisionMethodisrecommendedforgeneraluseandwillprovidethebestprecisionandaccuracythroughoutthetypicalO,N,andHconcentrationsfoundinthisgroupofmetals;approximatecycletimeis3.5minutes.TheFastTrackmethodcanbeusedwherespeedofanalysisisacriticalcomponent;forexample,whenmoltenmetalisbeingsampledandresultsarerequiredintheshortestpossibletime.Thismethodwillproducesuitableresultsformostsamples;approximatecycletimeis2.25minutes.Asnotedabove,samplingandsamplepreparationarekeyelementstoaccurateO,N,andHdeterminationaswell.Itisuptotheusertodeterminewhichmethodbestmeetstheirneeds.上海禹重實業有限公司為您提供分析儀。
Oxygen,Nitrogen,andHydrogeninRefractoryMetalsSummaryOxygenandnitrogenarealloyingelementsintitanium,andarealsoclassifiedasalphastabilizingelementsastheypromotealphaphasealloys.Interstitialoxygenandnitrogenlevelscanbeusedtoregulatethetensilestrengthofthematerial,butduetoitshighsolubilitycancauseunwantedsurfaceembrittlement.Thisphenomenoncanbeleveraged,however,undercontrolledprocessingtocreatesurfacefilmsthatincreasesurfacehardnessandwearproperties.上海禹重實業有限公司為您提供分析儀,有需求可以來電咨詢!浦東新區力可氧氮氫分析儀
上海禹重實業有限公司是一家專業提供分析儀的公司,歡迎您的來電哦!奉賢區力可分析儀
Procedure-SolidSamplesInstrumentcalibration/driftcorrection.Placethecalibration/driftstandardina***NickelBasket,andifapplicable,placethesampleintotheappropriateautoloaderposition.PresstheAnalyzebuttonontheinstrumentscreen.Afterashortdelay,theloadingheadslide-blockwillopen.Note:samplesusingautomationshouldbeplacedintheappropriateautoloaderpositionbeforestartingtheanalysissequence.Oncethesequencehasstarted,theautomaticanalysiswillstartandendautomatically.奉賢區力可分析儀
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