# 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: Di-sodium hydrogen phosphate solution, c = 0,025 mol/l.

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

Dissolve 3,55 g of anhydrous (or 4,45 g of dihydrate or 8,95 g of dodecahydrate) di-sodium hydrogen phosphate in water (equivalent to HPLC grade) in a 1 litre graduated flask, make up to the mark and mix.

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Source: https://www.legislation.gov.uk/eur/2009/152/annex/IV/division/E/division/3/division/3.7 (the official version)
Page: https://openlegislation.uk/eu-regulation-2009-152/annex-IV/division-E/division-3/division-3.7
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.