VISOCOLOR®HE Manganese Principle:
High sensitivity colorimetry with comparator block and colour comparison disc
• visual evaluation
• environment-friendly, without toxic reagents
• economically priced
• convenient handling
• highest accuracy due to extremely narrow gradation
• highest sensitivity down to 0.002 mg/l due to longer
• measuring tubes
• reagent bottles with clear dosing instructions
• compensation of turbidities and colours
• refill packs available
Colorimetric determination of manganese
In alkaline solution manganese ions react with formaldoxime to form an orange-red complex.
Nickel interferes causing a yellow-green reaction colour.
(Reaction principle analogous to DIN 38406-E2)
| Data and ordering information | |
| Cat. No. | 920 055 |
| Type | high sensitive test kit |
| Range | 0.0 · 0.03 · 0.06 · 0.10 · 0.15 · 0.20 · 0.25 · 0.30 · 0.40 · 0.50 mg/l Mn |
| Sufficient for | 100 determinations |
| Shelf life | at least 18 months |
| Sea water suitability | yes, but depending on the composition of the sea water |
| Detectable with PF-11 | no |
Natural waters contain manganese in the divalent, soluble form as well as in colloidal tri- and tetravalent states. Valencies are interchanged by oxidation-reduction reactions taking place in the water. The test procedure determines all oxidation states of manganese.
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