DIN EN 12582:1999-05 表面活性劑 通過(guò)HPLC/ELSD測(cè)定非離子表面活性劑(乙氧基化)中聚乙二醇的摩爾質(zhì)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