# 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 3.9.2: Robenidine intermediate standard solution: 12 μg/ml

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

Transfer 10,0 ml of the stock standard solution (3.9.1) into a 250 ml graduated flask, make up to the mark with the mobile phase (3.8) and mix. Wrap the flask with aluminium foil and store in a dark place.

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Source: https://www.legislation.gov.uk/eur/2009/152/annex/IV/division/E/division/3/division/3.9.2 (the official version)
Page: https://openlegislation.uk/eu-regulation-2009-152/annex-IV/division-E/division-3/division-3.9.2
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.