【英文标准名称】:StandardTestMethodforDeterminationofTitaniuminNickelAlloysbyDiantipyrylmethaneMolecularAbsorptionSpectrometricMethod
【原文标准名称】:用二安替比林甲烷分子吸收光谱测定法测定镍合金中钛含量的标准试验方法
【标准号】:ASTME1938-2002
【标准状态】:现行
【国别】:
【发布日期】:2002
【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】:镍合金;比色的;镍;试验方法;钛
【英文主题词】:colorimetric;molecularabsorption;nickel;spectrophotometric;titaniumcontent
【摘要】:Thispracticeisusedfortheanalysisofnickelandnickelbasealloysamplesbymolecularabsorptionspectrometrytocheckcompliancewithcompositionalspecifications.Itisassumedthatallwhousetheprocedurewillbetrainedanalystscapableofperformingcommonlaboratoryproceduresskillfullyandsafely.Itisexpectedthattheworkwillbeperformedinaproperlyequippedlaboratoryandthatproperwastedisposalprocedureswillbefollowed.AppropriatequalitycontrolpracticesmustbefollowedsuchasthosedescribedinGuideE882.1.1Thistestmethodcoversthedeterminationoftitaniuminnickelalloysinthe0.3through5.0%range.Withappropriatereferencematerialsthetestmethodmaybeextendeddownto0.05%.1.2Molybdenum,ifpresent,maycauseahighbiastotheextentof0.001%Tiforevery1%Mo.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.ForspecifichazardsassociatedwiththeuseofthistestmethodseePracticesE50.
【中国标准分类号】:H12
【国际标准分类号】:77_120_40
【页数】:4P.;A4
【正文语种】: