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) (c. 490)

ANNEX U.K.

DETERMINATION OF CHLOROBUTANOL U.K.

7. CALCULATION U.K.

7.1. Calculate from the standard curve (6.3) the quantity ‘a’ expressed as μg of chlorobutanol, in the solution 6.1. U.K.

7.2. The content of chlorobutanol in the sample is calculated according to the formula: U.K.