标准摘要
[中文适用范围]： 本国际标准规定了反相高效液相色谱法定量测定婴儿和成人配方（粉末、即食液体和液体浓缩液）中维生素B12的方法 [外文原描述]： ISO 20634:2015 specifies a method for the quantitative determination of vitamin B 12 in infant and adult formula (powders, ready-to-feed liquids and liquid concentrates) by reversed phase high performance liquid chromatography.
英文名称Infant formula and adult nutritionals — Determination of vitamin B12 by reversed phase high performance liquid chromatography (RP-HPLC)