Reference number
ISO 5519:1978
ISO 5519:1978
Fruits, vegetables and derived products — Determination of sorbic acid content
Edition 1
1978-09
Retirada
ISO 5519:1978
11573
Retirada (Edición 1, 1978)

Resumen

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).

Informaciones generales

  •  : Retirada
     : 1978-09
    : Retirada de la Norma Internacional [95.99]
  •  : 1
     : 6
  • ISO/TC 34/SC 3
    67.080.01 
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