ASTM D3634-1999(2005)e1 测定发动机冷却剂中痕量氯离子的试验方法

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【英文标准名称】:StandardTestMethodforTraceChlorideIoninEngineCoolants
【原文标准名称】:测定发动机冷却剂中痕量氯离子的试验方法
【标准号】:ASTMD3634-1999(2005)e1
【标准状态】:现行
【国别】:
【发布日期】:1999
【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】:D15.04
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:氯;含量测定;离子;冷却剂;化合物;试验
【英文主题词】:enginecoolants;tracechloride
【摘要】:Thistestmethodpermitsthedeterminationofverylowlevelsofchlorideioninenginecoolantscontainingthecommoncorrosioninhibitor,mercaptobenzothiazole,orrelatedmercaptans,whichwouldnormallyinterferewiththetitrationbyalsoforminginsolublesilversaltswithsilvernitrate.1.1Thistestmethodcoversthedeterminationofchlorideioninenginecoolantsintherangefrom5to200ppminthepresenceofupto0.6weight%mercaptobenzothiazole.1.2Othermaterialsthatreactwithsilverionwillinterfere.1.3Chlorideinenginecoolantscontaininganaryltriazoleinsteadofmercaptobenzothiazolecanbedetermineddirectlybythistestmethodwithoutpretreatmentwithhydrogenperoxide.1.4ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.SpecifichazardsstatementsaregiveninSection7.
【中国标准分类号】:J96
【国际标准分类号】:71_100_45
【页数】:3P.;A4
【正文语种】: