ISO 13904:2016
$27.95
Animal feeding stuffs — Determination of tryptophan content
| Published By | Publication Date | Number of Pages |
| ISO | 2016-02 | 20 |
ISO 13904:2016 specifies a method for determination of the total and free tryptophan (Trp) content in feeding stuffs (e.g. complete and complementary feeds, supplementary feeds, raw materials, ingredients, and concentrates) and determination of free tryptophan in commercial pure substances and premixtures containing more than 2 % of tryptophan.
It does not distinguish between D- and L-forms.
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