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DIN EN ISO 13904:2016 Edition

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Animal feeding stuffs – Determination of tryptophan content

Published By Publication Date Number of Pages
DIN 2016-06 20
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This International Standard spcifies 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.

DIN EN ISO 13904
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