Abstract

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.


General information 

  • Status
     : Withdrawn
    Publication date
     : 1975-12
  • Edition
     : 1
    Number of pages
     : 5
  • Technical Committee
     : ISO/TC 34 Food products
  • ICS
     :
    67.050 General methods of tests and analysis for food products

Life cycle

Got a question?

Check out our FAQs

Customer care
+41 22 749 08 88

Opening hours:
Monday to Friday - 09:00-12:00, 14:00-17:00 (UTC+1)

  2. Store
  3. Standards catalogue
  4. TC
  5. ISO/TC 34
  6. ISO 1871:1975