| VISOCOLOR® ECO Zinc |
| |
|
Colorimetric determination of zinc
|
|
|
At a pH of 8.5 – 9.5 zinc ions react with zincon to form a blue colour complex. Acidic, alkaline and buffered samples have to be adjusted to pH 9 for the test. (Reaction principle analogous to APHA 3500-Zn F)
|
| Data and ordering information |
| Cat. No. |
931 098 (931 298) |
| Type |
colorimetric test kit (refill pack) |
|
Range
|
0 0.25 0.5 1.0 2.0 3.0 mg/l Zn2+
|
| Sufficient for |
120 determinations |
| Shelf life |
at least 12 months |
| Sea water suitability |
yes, after dilution 1:10
|
| Detectable with PF-11 |
yes |
|
Zinc is one of the most often used metals for surface finishing.
Its content in waste water from e. g. electroplating companies
has to be regularly checked.
|