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download between 0-24 hoursReleased: 1975
ISO 1066:1975
ISO 1066:1975-Analysis of soaps — Determination of glycerol content — Titrimetric method
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| Standard´s number: | ISO 1066:1975 |
| Pages: | 3 |
| Edition: | 1 |
| Released: | 1975 |
DESCRIPTION
ISO 1066:1975
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.