BS EN 12850-2009 沥青和沥青粘合剂.沥青乳化液pH值的测定

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                   【英文标准名称】:     Bitumen and bituminous binders - Determination of the pH value of bituminous emulsions            【原文标准名称】:     沥青和沥青粘合剂.沥青乳化液pH值的测定            【标准号】:     BS EN 12850-2009            【标准状态】:     现行            【国别】:     英国            【发布日期】:     2009-04-30    【实施或试行日期】: 2009-04-30【发布单位】: 英国标准学会(GB-BSI)【起草单位】: BSI【标准类型】: ()【标准水平】: ()【中文主题词】: 【英文主题词】: Binding agents;Bitumen emulsions;Bitumens;Bituminous;Construction;Definitions;Determination;Emulsions;Materials testingetroleum products;pH;pH measurement;Testing【摘要】: This European Standard specifies a method for measuring the pH value of bituminous emulsions.It is applicable to anionic, cationic bituminous emulsions and bituminous emulsions prepared by means of non– ionic surfactant.NOTE In certain circumstances, the pH value can provide an indication of the ionic character of a bitumen emulsion.However, this indication should be confirmed by a particle polarity test conforming to EN 1430.【中国标准分类号】: E43【国际标准分类号】: 75_140;91_100_50【页数】: 10P.;A4【正文语种】: 英语