# Third Commission Directive of 27 September 1983 on the approximation of the laws of the Member States relating to methods of analysis necessary for checking the composition of cosmetic products (83/514/EEC), Division 5.1.4: Procedure

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

Accurately weigh out a quantity of between 0,5 and 1 g of the sample into a 150 ml stoppered conical flask containing 50 ml of distilled water. Add 5 ml of hydrochloric acid (4.1.1.2) (pH of solution about 0) and titrate with iodine solution (5.1.2) until a yellow colour appears. Use an indicator (e.g. starch solution or carbon tetrachloride) if desired.

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Source: https://www.legislation.gov.uk/eudr/1983/514/annex/division/14/division/5/division/5.1/division/5.1.4 (the official version)
Page: https://openlegislation.uk/eu-directive-1983-514/annex/division-14/division-5/division-5.1/division-5.1.4
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.