# 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 3.5

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

Standard gossypol solution A: Place 27,9 mg of gossypol acetate in a 250 ml graduated flask. Dissolve and make up to volume with solvent A (3.2). Pipette 50 ml of this solution into a 250 ml graduated flask and make up to volume with solvent A. The gossypol concentration of this solution is 0,02 mg/ml. Leave to stand for one hour at room temperature before use.

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Source: https://www.legislation.gov.uk/eur/2009/152/annex/V/division/A/division/3/division/3.5 (the official version)
Page: https://openlegislation.uk/eu-regulation-2009-152/annex-V/division-A/division-3/division-3.5
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.