# 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 3.7.3: Calibration solutions

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

Transfer 1,0, 2,0, 3,0, 4,0 and 5,0 ml of methyl benzoquate intermediate standard solution (3.7.2) into a series of 25 ml graduated flasks. Make up to the mark with the mobile phase (3.3) and mix. These solutions have concentrations of 2,0, 4,0, 6,0, 8,0 and 10,0 μg/ml methyl benzoquate respectively. These solutions must be freshly prepared before use.

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Source: https://www.legislation.gov.uk/eur/2009/152/annex/VIII/division/A/division/3/division/3.7.3 (the official version)
Page: https://openlegislation.uk/eu-regulation-2009-152/annex-VIII/division-A/division-3/division-3.7.3
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.