Standard

ISO 1871:1975

Dec 1975 Withdrawn

Note: This standard has a new edition: ISO 1871:2009

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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.

Document information

Standard from ISO
Published: 1 December 1975
Withdrawn: 14 August 2009
Edition: 1
Version: 1
Document type: IS
ISBN:

ICS 67.050
ISO TC ISO/TC 34

Product Relations

Referred by: NS-EN ISO 5983-2:2009
Revised by: ISO 1871:2009
Revised by: ISO 1871:2009
Revised by: ISO 1871:2009

Product life cycle

Current product

Withdrawn

ISO 1871:1975
Revised by

Published

ISO 1871:2009

Historical draft

ISO 1871:2009

Historical draft

ISO 1871:2009

ISO 1871:1975

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ISO 1871:2009

ISO 1871:2009

ISO 1871:2009

ISO 1871:1975

Abstract

Document information

Product Relations

Product life cycle

Access to standards for the entire organization

Benefits of our business solution:

Contact us today for a non-binding offer

Extended editions Extended editions (0)

Version history Related corrigendum and amendments (0)

Version history History (4)

ISO 1871:2009

ISO 1871:2009

ISO 1871:2009

ISO 1871:1975

Abstract

Document information

Product Relations

Product life cycle