ISO 23305:2020
ISO 23305:2020



This document specifies a method for the quantitative determination of biotin and/or biocytin in fortified milk powders, infant formula and adult nutritionals in solid (i.e. powders) or liquid (i.e. ready-to-feed liquids and liquid concentrates) forms using liquid chromatography coupled with immunoaffinity column clean-up extraction.

Precision data from an interlaboratory study is given in Annex B. A comparison between data obtained with the method in this document and EN 15607 is given in Annex C.

General information 

  •  :  Published
     : 2020-04
  •  : 1
     : 16
  •  : ISO/TC 34 Food products
  •  :
    67.100.10 Milk and processed milk products

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