# 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 7.1

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

If the sample contains more than 6 % of carbonates, calculated in terms of calcium carbonate, they must be destroyed by treatment with an exactly appropriate quantity of dilute sulphuric acid before determination of the total optical rotation.

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Source: https://www.legislation.gov.uk/eur/2009/152/annex/III/division/L/division/1/division/7/division/7.1 (the official version)
Page: https://openlegislation.uk/eu-regulation-2009-152/annex-III/division-L/division-1/division-7/division-7.1
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.