【英文标准名称】:StandardTestMethodforSulfatedAshfromLubricatingOilsandAdditives
【原文标准名称】:润滑油和添加剂中硫酸盐灰分的标准测试方法
【标准号】:ASTMD874-2007
【标准状态】:现行
【国别】:
【发布日期】:2007
【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】:润滑剂;石油产品;硫酸盐灰分;测试
【英文主题词】:additives;ash;lubricatingoils
【摘要】:1.1Thistestmethodcoversthedeterminationofthesulfatedashfromunusedlubricatingoilscontainingadditivesandfromadditiveconcentratesusedincompounding.Theseadditivesusuallycontainoneormoreofthefollowingmetals:barium,calcium,magnesium,zinc,potassium,sodium,andtin.Theelementssulfur,phosphorus,andchlorinecanalsobepresentincombinedform.1.2Applicationofthistestmethodtosulfatedashlevelsbelow0.02mass%isrestrictedtooilscontainingashlessadditives.Thelowerlimitofthetestmethodis0.005mass%sulfatedash.Note18212;Thistestmethodisnotintendedfortheanalysisofusedengineoilsoroilscontaininglead.Neitherisitrecommendedfortheanalysisofnonadditivelubricatingoils,forwhichTestMethodD482canbeused.Note28212;Thereisevidencethatmagnesiumdoesnotreactthesameasotheralkalimetalsinthistest.Ifmagnesiumadditivesarepresent,thedataisinterpretedwithcaution.Note38212;Thereisevidencethatsamplescontainingmolybdenumcangivelowresultsbecausemolybdenumcompoundsarenotfullyrecoveredatthetemperatureofashing.1.3ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:E34
【国际标准分类号】:75_100
【页数】:5P.;A4
【正文语种】: