Objavljen
The method consists in hydrolysis of the esters present in a test portion by heating in the presence of a standard volumetric solution of potassium hydroxide in dimethylsulfoxide, and back-titration of the excess potassium hydroxide with a standard volumetric solution of sulfuric acid or hydrochloric acid.
OBJAVLJEN
ISO 7660:1983
90.93
Odluka o potvrđivanju standarda
10. 3. 2023.
Etarska ulja - Određivanje estarskog broja ulja koja sadrže teško sapunjive estre (identičan sa ISO 7660:1983)
90.93 Odluka o potvrđivanju standarda