# 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 4.1.2.1: Identification of mercaptoacetic acid by means of a colour reaction with lead di(acetate)

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

Place a drop of the sample to be analyzed on lead di(acetate) paper (4.1.1.1). If an intense yellow colour appears, mercaptoacetic acid is probably present.
Sensitivity: 0,5 %.

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Source: https://www.legislation.gov.uk/eudr/1983/514/annex/division/14/division/4/division/4.1/division/4.1.2/division/4.1.2.1 (the official version)
Page: https://openlegislation.uk/eu-directive-1983-514/annex/division-14/division-4/division-4.1/division-4.1.2/division-4.1.2.1
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.