95.99 Withdrawal of Standard Feb 18, 2008
ISO
ISO/TC 34/SC 3 Fruits and vegetables and their derived products
International Standard
67.080.01 Fruits, vegetables and derived products in general
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).
WITHDRAWN
ISO 5519:1978
95.99
Withdrawal of Standard
Feb 18, 2008