Abstract / scope
ISO 20634:2015 specifies a method for the quantitative determination of vitamin B12 in infant and adult formula (powders, ready-to-feed liquids and liquid concentrates) by reversed phase high performance liquid chromatography.
ISO 20634:2015Published
Infant formula and adult nutritionals — Determination of vitamin B12 by reversed phase high performance liquid chromatography (RP-HPLC)
Formules infantiles et produits nutritionnels pour adultes — Détermination de la teneur en vitamine B12 par chromatographie liquide haute performance en phase inverse (CLHP-PI)