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| NANOCOLOR® Hardness 20 |
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| Photometric determination of total hardness (Calcium + Magnesium) |
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Photometric determination of total hardness with phthalein purple
With the aid of a selective masking agent differenciation between calcium and magnesium is possible.
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| Data and ordering information |
| Cat. No. |
985 043 |
| Type |
tube test 0-43 |
| Range |
1.0 - 20,0 °d
0.2 - 3.6 mmol/l
5 - 50 mg/l Mg2+
10 - 100 mg/l Ca2+ |
| Sufficient for |
20 determinations |
| Shelf life |
at least 18 months |
| Sea water suitability |
yes, after dilution (1:30) |
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