【英文标准名称】:Petroleumproductsandhydrocarbonsolvents-Detectionofthiolsandothersulfurspecies-Doctortest(ISO5275:2003)
【原文标准名称】:石油产品和烃类溶剂.硫醇类和其他硫类的测定.检硫液法
【标准号】:DINISO5275-2005
【标准状态】:现行
【国别】:德国
【发布日期】:2005-10
【实施或试行日期】:
【发布单位】:德国标准化学会(DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:材料试验;石油产品;含量测定;化学成分;试验;氯化镉;检流液法;组分;烃类;警告标志;挥发物测定;硫化氢;挥发性的;硫醇;硫醇;芳香的;化学的;芳烃;化学分析和试验;检测
【英文主题词】:Aromatic;Aromatichydrocarbons;Cadmiumchlorides;Chemical;Chemicalanalysisandtesting;Chemicalcomposition;Composition;Detection;Determinationofcontent;Doctortests;Hydrocarbons;Hydrogensulphide;Materialstesting;Mercaptans;Petroleumproducts;Testing;Thiols;Volatile;Volatilematterdetermination;Warningnotices
【摘要】:ThisInternationalStandardspecifiesaprocedure(Doctortest)forthedetectionofthiols(mercaptans),hydrogensulfideandelementalsulfurinhydrocarbonsolventsanddistillatepetroleumfeedstocksandproducts.Preliminaryproceduresalsodetectthepresenceofperoxidesandphenolicsubstances,which,whenpresentinmorethantracequantities,maketheapplicationofthisInternationalStandardinappropriate.Carbondisulfide,atrelativelyhighconcentrations[above0,4%(m/m)sulfur],alsointerfereswiththeinterpretationofthetestbycausingdarkeningoftheaqueouslayer.NOTEForthepurposesofthisInternationalStandard,theterm"%(m/m)"isusedtorepresentthemassfractionofamaterial.Thetestisago/no-goprocedurewithathresholdvalueofthiolconcentrationdependentonthematerialundertest.Itisfrequentlyusedasasubstituteforthequantitativedeterminationofthiolcontent.
【中国标准分类号】:E30
【国际标准分类号】:71_080_15
【页数】:7P.;A4
【正文语种】:英语