ISO 3793:1976 PDF
Essential oils — Estimation of primary and secondary free alcohols content by acetylation in pyridine
Название (английский):
ISO 3793:1976
Essential oils — Estimation of primary and secondary free alcohols content by acetylation in pyridine
- Статус документа:
- Отменён
- Формат:
- Электронный (PDF)
- Количество страниц:
- 2
- Дата публикации:
- 1 августа 1976 г.
- Издание:
- ISO IS 3793 edition 1 version 1
- ICS:
- 71.100.60
Описание (английский):
The method consists in acetylating the hydroxyl groups containing compounds with a mixture of acetic anhydride and pyridine. The excess of acetic anhydride is hydrolized and the acetic acid formed is titrated with a potassium hydroxide solution. Primary and secondary alcoholes are acetylated completely by this method. Phenols, anthranilates and aldehydes are acetylated either completely or partially. Tertiary alcohols are acetylated only in a negligible extent.
Технические детали
- Технический комитет
- ISO/TC 54 - Essential oils
- SKU
- ISO 3793:1976