VISOCOLOR® ECO Sulphide, 931 094

VISOCOLOR® ECO Sulphide Colorimetric determination of Sulphide 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 In water sulphides can be present as dissolved hydrogen sulphide or as hydrosulphide or sulphide ions. Colorimetric determination of Sulphide 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 In water sulphides can be present as dissolved hydrogen sulphide or as hydrosulphide or sulphide ions.