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| VISOCOLOR® ECO Sulphide |
| Colorimetric determination of Sulphide |
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N,N-Dimethyl-1,4-phenylene diamine reacts with hydrogen sulphide to form an unstable
compound which rearranges to leucomethylene blue. Oxidation with iron(III) ions yields methylene blue. |
| Data and ordering information |
| REF |
931 094 (931 294) |
| Type |
colorimetric test kit (refill pack) |
| Range |
0.1 · 0.2 · 0.3 · 0.4 · 0.5 · 0.6 · 0.7 · 0.8 mg/L S2– |
| Sufficient for |
90 determinations |
| Shelf life |
at least 3 years |
| Sea water suitability |
yes |
| Detectable with PF-12 |
yes |
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In water sulphides can be present as dissolved hydrogen sulphide or as
hydrosulphide or sulphide ions. |
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