DS EN 15168:2007
DS EN 15168:2007 Surface Active Agents - Determination Of Hydroxyl Value - P-Toluensulfonyl Isocyanate (Tsi) Method And Potentiometric Titration With Tetrabutylammonium Hydroxide Describes a method for the determination of hydroxyl value of aliphatic and cyclic hydroxyl compounds with hydroxyl groups attached to primary and secondary carbon atoms.