Тезис

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).


Общая информация 

  • Текущий статус
     : Отозвано
    Дата публикации
     : 1978-09
  • Версия
     : 1
  • Технический комитет
     : ISO/TC 34/SC 3 Fruits and vegetables and their derived products
  • ICS
     :
    67.080.01 Fruits, vegetables and derived products in general

Жизненный цикл

Появились вопросы?

Ознакомьтесь с FAQ

Работа с клиентами
+41 22 749 08 88

Часы работы:
Понедельник – пятница: 09:00-12:00, 14:00-17:00 (UTC+1)

  2. Интернет-магазин
  3. Каталог стандартов
  4. ТК
  5. ISO/TC 34/SC 3
  6. ISO 5519:1978