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)

3.6.Visualizing agent II:U.K.

2,6-dibromo-4-(cMoroimino)cyclohexa-2,5-dienone solution: dissolve 400 mg of 2,6(dibromo-4-(chloroimino)cyclohexa-2,5-dienone in 100 ml of methanol (prepare fresh daily).

Sodium carbonate solution: dissolve 10 g of sodium carbonate in 100 ml of demineralized water.