Suface active agents - determination of ethylene oxide and propylene oxide groups in ethylene oxide and propylene oxide adducts 表面活性剂.氧化乙烯和氧化丙烯加成物中氧化乙烯和氧化丙烯组的测定
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Surface active agents - determination of ethylene oxide and propylene oxide groups in ethylene oxide and propylene oxide adducts ; german version en 13268 : 2001 表面活性剂.氧化乙烯和氧化丙烯加合物的氧化乙烯和氧