关键词:
乙酸
酸值
机动车燃料
混合
化学分析和测试
颜色指示滴定
含量
定义
含量测定
乙醇
汽油
材料测试
方法
混合物
石油产品
抽样方法
滴定法
标准号:
DIN EN 15491-2007
摘要:
This European Standard specifies a method for determining the total acidity, calculated as acetic acid, ofethanol to be used in petrol blends. It is applicable to ethanol having total acid contents of between0,003 % (m/m) to 0,015 % (m/m).NOTE For the purposes of this European Standard, the term "% (m/m)" and "% (V/V)" are used to represent themass fraction and the volume fraction respectively.