# Regulation (EC) No 648/2004 of the European Parliament and of the Council of 31 March 2004 on detergents (Text with EEA relevance), Division 2.2.1: Buffer solution pH 10

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

Dissolve 24 g sodium bicarbonate, NaHCO3 AR, and 27 g anhydrous sodium carbonate (Na2CO3) AR in deionised water and dilute to 1 000 ml.

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Source: https://www.legislation.gov.uk/eur/2004/648/annex/VIII/division/2/division/2.2/division/2.2.1 (the official version)
Page: https://openlegislation.uk/eu-regulation-2004-648/annex-VIII/division-2/division-2.2/division-2.2.1
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.