# Regulation (EC) No 648/2004 of the European Parliament and of the Council of 31 March 2004 on detergents (Text with EEA relevance), Division 3.2.8

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

Ammonium tartrate solution: mix 12,4 g tartaric acid AR and 12,4 ml of ammonia solution AR (d = 0,910 g/ml) and make up to 1 000 ml with water (or use the equivalent amount of ammonium tartrate AR).

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Source: https://www.legislation.gov.uk/eur/2004/648/annex/VIII/division/3/division/3.2/division/3.2.8 (the official version)
Page: https://openlegislation.uk/eu-regulation-2004-648/annex-VIII/division-3/division-3.2/division-3.2.8
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.