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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