BS ISO 1871:2009
Current
The latest, up-to-date edition.
Food and feed products. General guidelines for determination of nitrogen by Kjeldahl method
Hardcopy , PDF
English
30-09-2009
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Foreword
Introduction
1 Scope
2 Principle
3 Reagents
4 Apparatus and materials
5 Operating method
6 Expression of results
Annex A (informative) - Potential sources of error
Bibliography
Gives general guidelines for the determination of nitrogen by the Kjeldahl method.
| Committee |
AW/275
|
| DevelopmentNote |
Supersedes 07/30142476 DC. (09/2009)
|
| DocumentType |
Standard
|
| Pages |
16
|
| PublisherName |
British Standards Institution
|
| Status |
Current
|
| Supersedes |
This International Standard provides general guidelines for the determination of nitrogen by the Kjeldahl method. It applies to food and feed products containing nitrogenous compounds that can be directly determined by the Kjeldahl method.
NOTE This measurement principle does not take into account the nitrogen from nitrates and nitrites.
| Standards | Relationship |
| ISO 1871:2009 | Identical |
| ISO 8968-1:2014 | Milk and milk products — Determination of nitrogen content — Part 1: Kjeldahl principle and crude protein calculation |
| ISO 5983-1:2005 | Animal feeding stuffs — Determination of nitrogen content and calculation of crude protein content — Part 1: Kjeldahl method |
| ISO 20483:2013 | Cereals and pulses — Determination of the nitrogen content and calculation of the crude protein content — Kjeldahl method |
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