ISO 1871:1975 PDF
Agricultural food products — General directions for the determination of nitrogen by the Kjeldahl method
Open preview (PDF)Agricultural food products — General directions for the determination of nitrogen by the Kjeldahl methodTitle (English):
ISO 1871:1975
Agricultural food products — General directions for the determination of nitrogen by the Kjeldahl method
- Document status:
- Withdrawn
- Format:
- Electronic (PDF)
- Number of pages:
- 7
- Publication date:
- December 1, 1975
- Edition:
- ISO IS 1871 edition 1 version 1
- ICS:
- 67.050
Description (English):
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.
Technical details
- Technical committee
- ISO/TC 34 - Food products
- SKU
- ISO 1871:1975
