DIN EN 1791-1997 表面活性剂.脂族烷基二甲胺化氧.氧化胺含量测定

标准号：DIN EN 1791-1997
中文标准名称：表面活性剂.脂族烷基二甲胺化氧.氧化胺含量测定
英文标准名称：Surface active agents - Fatty alkyl dimethyl amine oxides - Determination of the amine oxide content; German version EN 1791:1997
标准类型：G73
发布日期：1999/12/31 12:00:00
实施日期：1999/12/31 12:00:00
中国标准分类号：G73
国际标准分类号：71.100.40
适用范围：The document specifies a method for the determination of up to approximately 1,5 milli-equivalents of tertiary amine oxide. Components which lose the basicity in reaction with acetic anhydride by forming an amide (e.g. primary and secondary amines) interfere. If present, these primary and secondary amines must be determined by a different procedure e.g. reaction with carbondisulfide. This method is applicable to solids or to aqueous solutions of the active material. The molecular mass of the amine oxide shall be known if its content is expressed as a percentage of mass.