# 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 7.4

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

After the spectrophotometric measurement of the DL-α-tocopherol acetate or DL-α-tocopherol solution according to 5.6.1.3 or 5.6.2.3 respectively add approximately 10 mg BHT (3.12) to the solution (3.10.1 or 3.10.2) and keep the solution in a refrigerator (storage life max. 4 weeks).

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Source: https://www.legislation.gov.uk/eur/2009/152/annex/IV/division/B/division/7/division/7.4 (the official version)
Page: https://openlegislation.uk/eu-regulation-2009-152/annex-IV/division-B/division-7/division-7.4
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.