Non - ionic surface active agents obtained from ethylene oxide and ethylene oxide propylene oxide block copolymers . determination of cloud point
22.
Anionic and non - ionic surface active agents - determination of the critical micellization concentration - method by measuring surface tension with ring
23.
. en 12582 surface active agents . determination of the polyethylene glycol content according to molar mass in non - ionic surface active agents ethoxylated by hplc elsd
24.
Anionic and non - ionic surface active agents . determination of the critical micellization concentration . method by measuring surface tension with a plate , stirrup or ring
