# 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: Calculation of the results

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

From the mean height (area) of the amprolium peaks of the sample solution determine the concentration of the sample solution in μg/ml by reference to the calibration graph (5.3.2).
The amprolium content w in mg/kg of the sample is given by the following formula:
w=V ×c ×fm [mg/kg]
in which:
Vvolume of the extraction solvent (3.8) in ml according to 5.2 (i.e. 200 ml)
camprolium concentration of the sample extract (5.2) in μg/ml
fdilution factor according to 5.2
mweight of the test portion in g.

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