# 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 4.7.1

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

Stock solution, 0,250 mg F-/ml. Weigh accurately 138,1 mg of sodium fluoride (4.1) and dissolve in water (4.2). Quantitatively transfer the solution into a 250 ml volumetric flask (5.5). Dilute to the mark with water (4.2) and mix.

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Source: https://www.legislation.gov.uk/eudr/1983/514/annex/division/17/division/4/division/4.7/division/4.7.1 (the official version)
Page: https://openlegislation.uk/eu-directive-1983-514/annex/division-17/division-4/division-4.7/division-4.7.1
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.