This standard has been revised by ISO 5519:2008
Abstract
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).
General information
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Status : WithdrawnPublication date : 1978-09
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Edition : 1Number of pages : 6
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- ICS :
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Fruits, vegetables and derived products in general
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