Non - ionic surface active agents - polyethoxylated derivatives - iodometric determination of oxyethylene groups
12.
Non - ionic surface active agents . polyethoxylated derivatives . determination of hydroxyl value . acetic anhydride method
13.
Surface active agents - determination of krafft - point and solubility of ionic surface active agents ; german version en 13955 : 2002
14.
Non - ionic surface active agents . polyalkoxylated derivatives . determination of hydroxyl value . phthalic anhydride method
15.
Non - ionic surface active agents - polyalkoxylated derivatives - determination of hydroxyl value - phthalic anhydride method
16.
Surface active agents . detergents - non - ionic surface active agent . determination of biodegradability . reference method
17.
Surface active agents - determination of cloud point of non - ionic surface active agents obtained by condensation of ethylene oxide
18.
Surface active agents . determination of cloud point of non - ionic surface active agents obtained by condensation of ethylene oxide
19.
Surface active agents - determination of the total polyethylene glycol content of non - ionic surface active agents eo adducts by hplc gpc
20.
Surface active agents - determination of cloud point of non - ionic surface active agents obtained by condensation of ethylene oxide ; german version en 1890 : 1999