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【英文标准名称】:Surfaceactiveagents-Determinationofthetotalpolyethyleneglycolcontentofnon-ionicsurfaceactiveagents(EOadducts)byHPLC/GPC
【原文标准名称】:表面活性剂.用HPLC/GPC法测定非离子表面活性剂中聚乙二醇含量
【标准号】:BSEN12139-1999
【标准状态】:现行
【国别】:英国
【发布日期】:1999-06-15
【实施或试行日期】:1999-06-15
【发布单位】:英国标准学会(BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:试验设备;校正;再现性;色谱法;凝胶色谱法;文献索引;表面活性剂;甘醇;二甘醇;乙二醇;试样;试样制备;化学分析和试验;含量测定;液相色谱法;精密度;聚乙烯
【英文主题词】:Analysis;Chemicalanalysisandtesting;Chemicalcomposition;Content;Determination;Determinationofcontent;Glycols;HPLC;Liquidchromatography;Materialstesting;Methods;Polyethylene;Surfactants;Testing
【摘要】:ThisEuropeanStandardspecifiesamethodforthedeterminationofthetotalpolyethyleneglycol(PEG)contentofaromaticandaliphaticnon-ionicsurfaceactiveagentsofthetypeR-(O-C2H4)p-OH,wherepisthemeanethyleneoxide(EO)value.ItappliesforconcentrationsofPEGhigherthanapproximately0,1g/100gofthelaboratorysample.Themethodisapplicableuptoadegreeofethoxylationofatleast25forproductswhicharesolubleinan80/20(V/V)mixtureofmethanolandwater.Long-chainproductswithalowdegreeofethoxylation,suchastallowalcohol5EO,arenotsoluble,andrequireanamendedpreliminarytreatment.note:1)CASRegistryNumber99561-04-3.
【中国标准分类号】:G73
【国际标准分类号】:71_100_40
【页数】:14P;A4
【正文语种】:英语