Reference number
ISO 5519:1978
© ISO 2024
ISO 5519:1978
Fruits, vegetables and derived products — Determination of sorbic acid content
Edition 1
1978-09
Retirada
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

  • Estado
     : Retirada
    Fecha de publicación
     : 1978-09
    Etapa
    : Retirada de la Norma Internacional [95.99]
  • Edición
     : 1
    Número de páginas
     : 6
  • Comité Técnico :
    ISO/TC 34/SC 3
    ICS :
    67.080.01 
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