ISO 13904:2005

Animal feeding stuffs -- Determination of tryptophan content

ISO 13904:2005 describes 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. It does not distinguish between D- and L-forms.


General information

  • Current status : Withdrawn
    Publication date : 2005-05
  • Edition : 1
  • :
    ISO/TC 34/SC 10
    Animal feeding stuffs
  • 65.120
    Animal feeding stuffs

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