ASTM E1938-2008 采用二安替比林基低甲烷分子吸收光谱法对镍合金中的钛合金含量的标准试验方法

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【英文标准名称】:StandardTestMethodforDeterminationofTitaniuminNickelAlloysbyDiantipyrylmethaneMolecularAbsorptionSpectrometry
【原文标准名称】:采用二安替比林基低甲烷分子吸收光谱法对镍合金中的钛合金含量的标准试验方法
【标准号】:ASTME1938-2008
【标准状态】:现行
【国别】:美国
【发布日期】:2008
【实施或试行日期】:
【发布单位】:美国材料与试验协会(US-ASTM)
【起草单位】:E01.08
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:molecularabsorptionspectrometry;nickelalloy;spectrophotometric;titaniumcontent;Spectrophotometry--absorption;Titaniumcontent--Ni/Nialloys;Colorimetricanalysis;Diantipyrylmethanespectrophotometricmethod;Molecularabsorptionspectrometry;N
【摘要】:Thistestmethodisusedforthedeterminationoftitaniuminnickelalloysamplesbymolecularabsorptionspectrometrytocheckcompliancewithcompositionalspecifications.Itisassumedthatallwhousetheprocedurewillbetrainedanalystscapableofperformingcommonlaboratoryproceduresskillfullyandsafely.Itisexpectedthattheworkwillbeperformedinaproperlyequippedlaboratoryandthatproperwastedisposalprocedureswillbefollowed.AppropriatequalitycontrolpracticesmustbefollowedsuchasthosedescribedinGuideE882.1.1Thistestmethodcoversthedeterminationoftitaniuminnickelalloysintherange0.3%to5.0%.Withappropriatereferencematerials,thetestmethodmaybeextendeddownto0.05%.1.2Molybdenum,ifpresent,maycauseahighbiastotheextentof0.001%titaniumforevery1%molybdenum.1.3ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Forspecifichazardsassociatedwiththeuseofthistestmethod,seePracticesE50.
【中国标准分类号】:H13
【国际标准分类号】:77_120_40
【页数】:4P.;A4
【正文语种】:英语