# Fourth Commission Directive of 11 October 1985 on the approximation of the laws of the Member States relating to methods of analysis necessary for checking the composition of cosmetic products (85/490/EEC), Division 5.2: Thin layer chromatography

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

Deposit 10 μl of sample solution (5.1) and of each standard solution (3.4) on the plate (3.5).
Develop the chromatogram to a height of 150 mm in a tank previously saturated with solvent 3.2. Allow the plate to dry at ambient temperature.

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Source: https://www.legislation.gov.uk/eudr/1985/490/annex/division/1/division/A/division/5/division/5.2 (the official version)
Page: https://openlegislation.uk/eu-directive-1985-490/annex/division-1/division-A/division-5/division-5.2
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.