# 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 5.3.2: Preparation of the standard

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

Into a 50 ml volumetric flask, accurately weigh about 500 mg of nitromethane (5.1.4) and either 500 mg of chloroform (5.1.1) or 210 mg of 2,4-dimethylheptane (5.1.2). Make up to volume with 95 % ethanol (5.1.3). Mix well. Place 5 ml of this solution into a 20 mg volumetric flask. Make up to volume with 95 % ethanol (5.1.3).
Inject about 10 μl using the specified microsyringe (5.2.2). Make five injections.

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Source: https://www.legislation.gov.uk/eudr/1983/514/annex/division/13/division/5/division/5.3/division/5.3.2 (the official version)
Page: https://openlegislation.uk/eu-directive-1983-514/annex/division-13/division-5/division-5.3/division-5.3.2
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.