# 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 6.2: Premixtures

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

The lasalocid sodium content, w (mg/kg) in the sample is given by the following formula:
w=c×V2×fm [mg/kg]
where:
clasalocid sodium concentration of the sample solution (5.2.2) in μg/ml
V2 volume of the sample extract according to 5.2.2 in ml (i.e. 250)
fdilution factor according to 5.2.2
mweight of the test portion in g

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Source: https://www.legislation.gov.uk/eur/2009/152/annex/IV/division/G/division/6/division/6.2 (the official version)
Page: https://openlegislation.uk/eu-regulation-2009-152/annex-IV/division-G/division-6/division-6.2
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.