# Commission Regulation (EC) No 152/2009 of 27 January 2009 laying down the methods of sampling and analysis for the official control of feed (Text with EEA relevance), Division 3.11.1

Extent: E+W+S+N.I.

Stock solution of all-trans-vitamin A acetate: Weigh to the nearest 0,1 mg, 50 mg of vitamin A acetate (3.11) into a 100 ml graduated flask. Dissolve in 2-propanol (3.8) and make up to the mark with the same solvent. The nominal concentration of this solution is 1 400 IU vitamin A per ml. The exact content has to be determined according to 5.6.3.1.

---
Source: https://www.legislation.gov.uk/eur/2009/152/annex/IV/division/A/division/3/division/3.11.1 (the official version)
Page: https://openlegislation.uk/eu-regulation-2009-152/annex-IV/division-A/division-3/division-3.11.1
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.