This European Standard specifies a test method for the determination of up to 1 mmol of alkyl dimethyl betaine. Monochloroacetic acid, glycolic acid, strong acids and amines do not interfere.
BS EN 13270:2001 history
0000 BS EN 13270:2001(2004)
2001BS EN 13270:2001 Surface active agents - Determination of the active matter content in alkyldimethylbetaines