ISO 1871:1975
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ISO 1871:1975
6542

Estado : Retirada

Esta norma ha sido revisada por ISO 1871:2009

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

  •  : Retirada
     : 1975-12
    : Retirada de la Norma Internacional [95.99]
  •  : 1
     : 5
  • ISO/TC 34
    67.050 
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