ISO 1871:1975
Agricultural food products — General directions for the determination of nitrogen by the Kjeldahl method
Reference number
ISO 1871:1975
Edición 1
1975-12
© ISO 2024
Retirada
Retirada (Edición 1, 1975)

Resumen

Application to products containing only nitrogenous copounds which are directly determinable by the Kjeldahl method. The method consists in destructing of organic matter by sulphuric acid in the presence of a catalyst, rendering of the reaction product alkaline, distillation and titration of the liberated ammonia.

Informaciones generales

  • Estado
     : Retirada
    Fecha de publicación
     : 1975-12
    Etapa
    : Retirada de la Norma Internacional [95.99]
  • Edición
     : 1
    Número de páginas
     : 5
  • Comité Técnico :
    ISO/TC 34
    ICS :
    67.050 
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