ISO 1066:1975 PDF
Analysis of soaps — Determination of glycerol content — Titrimetric method
Analysis of soaps — Determination of glycerol content — Titrimetric method
- Статус документа:
- Действующий
- Формат:
- Электронный (PDF)
- Количество страниц:
- 3
- Дата публикации:
- 1 мая 1975 г.
- Издание:
- ISO IS 1066 edition 1 version 1
- ICS:
- 71.100.40
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.
Технические детали
- Технический комитет
- ISO/TC 91 - Surface active agents
- SKU
- ISO 1066:1975