NANOCOLOR® Detergents, cationic
Photometric determination of cationic detergents
Photometric determination with bromphenol-blue.
Cationic detergents react with bromophenol blue to form a coloured complex, which is extracted with an organic phase. Reference substance is N-cetyl-N,N,N-trimethylammonium bromide (CTAB: 364.5 g/mol).
Data and ordering information
Cat. No. 918 34
Type standard test 1-34
Range 10 mm cuvette:
0.2 – 5.0 mg/l CTAB
50 mm cuvette:
0.05 – 3.00 mg/l CTAB
Sufficient for 40 determinations
Shelf life at least 3 years
Sea water suitability no