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Status : Active
Standard Type : Main
Document No : ISO 17180:2013
Document Year : 2013
Pages : 11
Edition : 1
Section Volume : Animal feeding stuffs (ISO/TC 34/SC 10.)
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.