In ammonia solution nickel ions react with diacetyldioxime after oxidation with bromine to form a reddish-brown dye. Insoluble nickel compounds (e. g. nickel cyanide, nickel carbonate) and the nickel cyano complexes are not determined.
| Data and ordering information |
| REF |
931 040 (931 240) |
| Type |
colorimetric test kit (refill pack) |
| Range |
0 · 0.1 · 0.2 · 0.3 · 0.5 · 0.7 · 0.9 ·
1.2 · 1.5 mg/l Ni2+ |
| Sufficient for |
150 determinations |
| Shelf life |
at least 1.5 years |
| Sea water suitability |
yes, after dilution (1+9) |
| Detectable with PF-12 |
yes |
| |
|
Nickel can be present in industrial waste water. It occurs as the divalent ion or as a nickel complex.
|
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