I.S. EN ISO 13904:2016
Current
The latest, up-to-date edition.
ANIMAL FEEDING STUFFS - DETERMINATION OF TRYPTOPHAN CONTENT (ISO 13904:2016)
Hardcopy , PDF
English
01-01-2016
For Harmonized Standards, check the EU site to confirm that the Standard is cited in the Official Journal.
Only cited Standards give presumption of conformance to New Approach Directives/Regulations.
National Foreword
European foreword
Foreword
1 Scope
2 Principle
3 Reagents and materials
4 Apparatus
5 Procedure
6 Calculation of results
7 Precision
8 Test report
Annex A (informative) - Results of an interlaboratory test
Annex B (informative) - Observations on the method
Annex C (informative) - Sample preparation: Example for
analyses in pure products and premixtures
Annex D (informative) - Results of an interlaboratory test for
tryptophan in pure products and premixtures containing
more than 2% of tryptophan
Bibliography
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