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| NANOCOLOR® Cobalt |
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| Photometric determination of cobalt |
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At a pH > 5 cobalt(II) ions react with 4-[5-chloropyridyl-(2)-azo]-m-phenylene diamine (5-Cl-PADAB) to form a pink colour complex which, contrary to other heavy metal complexes,
is also stable below pH 5.
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| Data and ordering information |
| Cat. No. |
918 51 |
| Type |
standard test 1-51 |
| Range |
10 mm cuvette:
0.02 - 0.70 mg/l Co2+
50 mm cuvette:
0.002 - 0.300 mg/l Co2+
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| Sufficient for |
220 determinations |
| Shelf life |
at least 2 years |
| Sea water suitability |
yes |
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