ANNEXDETERMINATION OF DICHLOROMETHANE AND 1,1,1-TRICHLOROETHANE
IDENTIFICATION AND DETERMINATION OF MERCAPTOACETIC ACID IN HAIR-WAVING, HAIR-STRAIGHTENING AND DEPILATORY PRODUCTS
5.DETERMINATION (see NB)
5.1.lodometry
5.1.5.Calculation
The mercaptoaceric acid content is calculated according to the formula:
where:
- m
the mass (in grams) of the test portion,
- n
the volume of iodine solution (5.1.2) used.