This International Standard specifies a titrimetric method for determining the alkalinity of surfactants in general. This method is only applicable if it is prescribed in the specific standards for each product; in particular, it is not suitable for products containing soap.
NBN T 63-132-1980 history
1980NBN T 63-132-1980 Surface active agents - Deermination of alkalin:ty - Titrimetric method