Analysis of soaps — Determination of glycerol content — Titrimetric method
NORMA vydaná dňa 1.5.1975
Označenie normy: ISO 1066:1975
Dátum vydania normy: 1.5.1975
Počet strán: 3
Približná hmotnosť: 9 g (0.02 libier)
Krajina: Medzinárodná technická norma
Kategória: Technické normy ISO
Description / Abstract: 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.