# 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 9.2

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

According to the British Pharmacopoeia, the spectrum of an amprolium solution (c = 0,02 mol/l) in hydrochloric acid (c = 0,1 mol/l) shows maxima at 246 nm and 262 nm. The absorbance shall amount to 0,84 at 246 nm and 0,8 at 262 nm.

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Source: https://www.legislation.gov.uk/eur/2009/152/annex/VIII/division/C/division/9/division/9.2 (the official version)
Page: https://openlegislation.uk/eu-regulation-2009-152/annex-VIII/division-C/division-9/division-9.2
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.