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ISO 1871:1975

Agricultural food products — General directions for the determination of nitrogen by the Kjeldahl method

Dec 1, 1975
95.99 Withdrawal of Standard   Aug 14, 2009

General information

95.99     Aug 14, 2009

ISO

ISO/TC 34

International Standard

67.050  

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Scope

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.

Life cycle

NOW

WITHDRAWN
ISO 1871:1975
95.99 Withdrawal of Standard
Aug 14, 2009

REVISED BY

PUBLISHED
ISO 1871:2009