Published
The determination is carried out in the following way: Decomposition of the soap with sulphuric acid, and extraction of the fatty acids with light petroleum. Oxidation of the glycerol by periodic acid to formic acid and formaldehyde, and titration of the formic acid produced using a pH meter.
PUBLISHED
ISO 1066:1975
90.93
Standard confirmed
Jun 26, 2021
Analysis of soaps — Determination of glycerol content — Titrimetric method
60.60 Standard published