Published
ISO 17180:2013 specifies a method for the quantitative determination of free (non-protein-bound) lysine, methionine, and threonine in commercial products and premixtures containing more than about 10 % mass fraction of the respective amino acid. It does not distinguish between d- and l-forms.
PUBLISHED
ISO 17180:2013
90.60
Close of review
Dec 3, 2023
Animal feeding stuffs — Determination of lysine, methionine and threonine in commercial amino acid products and premixtures
60.60 Standard published