ISO 13904:2016
p
ISO 13904:2016
59955

Abstract  Preview

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.


General information 

  •  :  Published
     : 2016-02
  •  : 2
     : 14
  •  : ISO/TC 34/SC 10 Animal feeding stuffs
  •  :
    65.120 Animal feeding stuffs

Buy this standard

en
Format Language
std 1 88 PDF
std 2 88 Paper
  • CHF88

Life cycle


Got a question?

Check out our FAQs

Customer care
+41 22 749 08 88

Opening hours:
Monday to Friday - 09:00-12:00, 14:00-17:00 (UTC+1)

Keep up to date with ISO

Sign up to our newsletter for the latest news, views and product information.