International Standard
ISO 1066:1975
Analysis of soaps — Determination of glycerol content — Titrimetric method
Reference number
ISO 1066:1975
ISO 1066:1975
Edición 1
1975-05
1975-05
© ISO 2024
International Standard
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ISO 1066:1975
5559
No disponible en español
Publicado
(Edición 1, 1975)
Esta norma se revisó y confirmó por última vez en 2021.
Por lo tanto, esta versión es la actual.
Resumen
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.
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