【英文标准名称】:StandardTestMethodforDeterminationofPhosphorousinNickel,Ferronickel,andNickelAlloysbythePhosphovanadomolybdateMolecularAbsorptionSpectrometricMethod
【原文标准名称】:用双氧钒磷钼酸盐分子吸收光谱测定法测定镍、镍铁和镍合金中磷含量的标准试验方法
【标准号】:ASTME1917-2002
【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】:试验方法;磷;镍;比色的;镍合金
【英文主题词】:colorimetric;molecularabsorption;nickel;phosphoruscontent;spectrophotometric
【摘要】:Thistestmethodisusedfortheanalysisofnickel,ferronickel,andnickelbasealloysamplesbymolecularabsorptionspectrometrytocheckcompliancewithcompositionalspecifications.Itisassumedthatallwhousetheprocedurewillbetrainedanalystscapableofperformingcommonlaboratoryproceduresskillfullyandsafely.Itisexpectedthattheworkwillbeperformedinaproperlyequippedlaboratoryandthatproperwastedisposalprocedureswillbefollowed.Appropriatequalitycontrolpracticesmustbefollowed,suchasthosedescribedinGuideE882.1.1Thistestmethodcoversthedeterminationofphosphorusinnickel,ferronickel,andnickelalloysinthe0.0007%through0.05%range.1.2Arsenic,chromium,hafnium,niobium,silicon,tantalum,titanium,andtungsteninterfere,buttheinterferencecanbeavoidedbycomplexationorvolatilization(forCr).Thelowestphosphoruscontent(0.0007%)canbereachedonlyinsampleswithlowcontentsofinterferingelements.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.ForspecifichazardsassociatedwiththeuseofthispracticeseePracticesE50.Refertospecificwarningnotesgiventhroughoutthistestmethod.
【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】: