ISO 5519:1978 PDF
Fruits, vegetables and derived products — Determination of sorbic acid content
Fruits, vegetables and derived products — Determination of sorbic acid content
- Статус документа:
- Отменён
- Формат:
- Электронный (PDF)
- Количество страниц:
- 8
- Дата публикации:
- 1 сентября 1978 г.
- Издание:
- ISO IS 5519 edition 1 version 1
- ICS:
- 67.080.01
The method consists in homogenizing the product, followed by quantitative entraining, by steam, of the acid present in a test portion, determination of the acid in the destillate obtained, either by spectrophotometry in the ultra-violet range (technique A) or by measuring by photocolorimetry or by spectrophotometry the pink colour obtained after oxidation by chromic acid and then treatment with thiobarbituric acid (technique B).
Технические детали
- Технический комитет
- ISO/TC 34/SC 3 - Fruits and vegetables and their derived products
- SKU
- ISO 5519:1978