| VISOCOLOR® Detergents, cationic |
| |
|
Determination of detergents
|
|

|
Cationic detergents react with bromophenol blue to form a coloured complex which is extracted with an organic phase. The reference standard is N-cetyl-N,N,N-trimethylammonium
bromide (CTAB: 365 g/mol).
|
| Data and ordering information |
| Cat. No. |
914 015 |
| Type |
colorimetric test kit |
|
Range
|
0 1 3 5 10 15 20 mg/l CTAB
|
| Sufficient for |
50 determinations |
| Shelf life |
at least 2 years |
| Sea water suitability |
yes |
| Detectable with PF-11 |
no |
|
Detergents are surface-active substances which can be classified into anionic, cationic and nonionic groups. They can be found in municipal and industrial waste waters.
|