ANNEXU.K.DETERMINATION OF DICHLOROMETHANE AND 1,1,1-TRICHLOROETHANE
IDENTIFICATION AND DETERMINATION OF MERCAPTOACETIC ACID IN HAIR-WAVING, HAIR-STRAIGHTENING AND DEPILATORY PRODUCTSU.K.
4.IDENTIFICATIONU.K.
4.2.Identification by thin-layer chromatographyU.K.
4.2.1. Reagents U.K.
4.2.1.17. Detection reagents U.K.
4.2.1.17.1.Mix, immediately before use, equal volumes of solution (4.2.1.14) and solution (4.2.1.15).U.K.
4.2.1.17.2.Bromine solution 5 % (m/v):U.K.
Dissolve 5 g of bromine in 100 ml of carbon tetrachloride (4.2.1.12).
4.2.1.17.3.Fluorescein solution, 0,1 % (m/v):U.K.
Dissolve 100 mg of fluorescein in 100 ml of ethanol.
4.2.1.17.4.Hexaammonium heptamolybdate, 10 % (m/v) solution in water.U.K.