Animal feeding stuffs — Determination of lysine, methionine and threonine in commercial amino acid products and premixtures
动物饲料——商用氨基酸产品和预混料中赖氨酸、蛋氨酸和苏氨酸的测定
发布日期:
2013-04-09
ISO 17180:2013规定了一种定量测定商业产品和预混料中游离(非蛋白结合)赖氨酸、蛋氨酸和苏氨酸的方法,其中含有超过各自氨基酸质量分数约10%的物质。它不区分d型和l型。
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.