# 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 6.1: Sample preparation

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

Weigh accurately into a 100 ml standard flask a quantity of the product sufficient to contain 10,0 mg of anhydrous quinine, add 20 ml of methanol (4.6) and place the flask in an ultrasonic bath (5.2) for 20 minutes. Make up to the mark with methanol (4.6). Mix the solution and then filter an aliquot (5.5).

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Source: https://www.legislation.gov.uk/eudr/1985/490/annex/division/3/division/B/division/6/division/6.1 (the official version)
Page: https://openlegislation.uk/eu-directive-1985-490/annex/division-3/division-B/division-6/division-6.1
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.