DIN EN 12582-1999 表面活性劑.用HPLC/ELSD法根據非離子表面活性劑(乙氧基)中分子質量測定聚乙二醇總含量
Surface active agents - Determination of the polyethylene glycol content according to molar mass in non-ionic surface active agents (ethoxylated) by HPLC/ELSD; German version EN 12582:1999