# Regulation (EC) No 648/2004 of the European Parliament and of the Council of 31 March 2004 on detergents (Text with EEA relevance), Division 3.2.6.1: Solution A

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

Dissolve 1,7 g bismuth nitrate, BiONO3.H2O AR, in 20 ml glacial acetic acid, and make up to 100 ml with water. Then dissolve 65 g potassium iodide AR in 200 ml water. Mix these two solutions in a 1 000 ml measuring flask, add 200 ml glacial acetic acid (3.2.7) and make up to 1 000 ml with water.

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Source: https://www.legislation.gov.uk/eur/2004/648/annex/VIII/division/3/division/3.2/division/3.2.6/division/3.2.6.1 (the official version)
Page: https://openlegislation.uk/eu-regulation-2004-648/annex-VIII/division-3/division-3.2/division-3.2.6/division-3.2.6.1
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.