VISOCOLOR® ECO Calcium
Titration test kit for determination of calcium
Complexometric titration after precipitation of the magnesium salts. (Reaction principle analougous to APHA 3500-Ca D, DIN 38406-3 E3)
| Data and ordering information | |
| Cat. No. | 931 012 |
| Type | titration test kit |
| Range | 1 drop = 5 mg/l Ca2+ |
| Sufficient for | 100 tests at an average calcium content of 50 mg/l Ca2+ |
| Shelf life | at least 18 months |
| Sea water suitability | yes, after dilution 1:5 and addition of 4 drops Ca-1 |
| Detectable with PF-11 | no |
Calcium is widely distributed in nature in rocks and in water. Water containing calcium and magnesium causes problems in industry as well as in households, since during boiling calcium carbonate is precipitated as detrimental boiler scale and since calcium ions inhibit the foaming of soaps.
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