| 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. |
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