ANIMAL FEEDING STUFFS - DETERMINATION OF TRYPTOPHAN CONTENT (ISO 13904:2016)

Available format(s)

Hardcopy , PDF

Language(s)

English, German

Published date

01-01-2016

Publisher

German Institute for Standardisation (Deutsches Institut für Normung)

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

Explains the determination of the total and free tryptophan in feeding stuffs (e.g. complete and complementary feeds, supplementary feeds, raw materials, ingredients, premixtures and concentrates.

DocumentType	Standard
Pages	20
PublisherName	German Institute for Standardisation (Deutsches Institut für Normung)
Status	Current

Standards	Relationship
EN ISO 13904:2016	Identical
UNI EN ISO 13904 : 2005	Identical
NEN EN ISO 13904 : 2016	Identical
I.S. EN ISO 13904:2016	Identical
NBN EN ISO 13904 : 2016	Identical
NS EN ISO 13904 : 2005	Identical
UNE-EN ISO 13904:2016	Identical
NF EN ISO 13904 : 2016	Identical
BS EN ISO 13904:2016	Identical
SN EN ISO 13904:2016	Identical
ISO 13904:2016	Identical