ASTM D4927-2010 波长色散X射线荧光光谱法对润滑剂和钡、钙、磷、硫以及锌等添加组分急性元素分析的标准试验方法

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【英文标准名称】:StandardTestMethodsforElementalAnalysisofLubricantandAdditiveComponents8212;Barium,Calcium,Phosphorus,Sulfur,andZincbyWavelength-DispersiveX-RayFluorescenceSpectroscopy
【原文标准名称】:波长色散X射线荧光光谱法对润滑剂和钡、钙、磷、硫以及锌等添加组分急性元素分析的标准试验方法
【标准号】:ASTMD4927-2010
【标准状态】:现行
【国别】:美国
【发布日期】:2010
【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】:D02.03
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:additives;barium;calcium;lubricatingoil;phosphorous;sulfur;wavelength-dispersive;X-rayfluorescence;zinc;Additives--lubricatingoils;Bariumcontent--petroleumproducts;Calciumcontent--petroleumproducts;Chemicalanalysis--petroleumproducts;
【摘要】:Someoilsareformulatedwithorgano-metallicadditiveswhichactasdetergents,antioxidants,antiwearagents,andsoforth.Someoftheseadditivescontainoneormoreoftheseelements:barium,calcium,phosphorus,sulfur,andzinc.Thesetestmethodsprovideameansofdeterminingtheconcentrationoftheseelementswhichinturnprovidesanindicationoftheadditivecontentoftheseoils.1.1Thesetestmethodscoverthedeterminationofbarium,calcium,phosphorus,sulfur,andzincinunusedlubricatingoilsatelementconcentrationrangesshowninTable1.Therangecanbeextendedtohigherconcentrationsbydilutionofsamplespecimens.Additivescanalsobedeterminedafterdilution.Twodifferentmethodsarepresentedinthesetestmethods.1.2TestMethodA(InternalStandardProcedure)8212;InternalstandardsareusedtocompensateforinterelementeffectsofX-rayexcitationandfluorescence(seeSections8through13).1.3TestMethodB(MathematicalCorrectionProcedure)8212;ThemeasuredX-rayfluorescenceintensityforagivenelementismathematicallycorrectedforpotentialinterferencefromotherelementspresentinthesample(seeSections14through19).1.4Thepreferredconcentrationunitsaremass%barium,calcium,phosphorus,sulfur,orzinc.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:E34
【国际标准分类号】:75_100
【页数】:9P.;A4
【正文语种】:英语