Editors
NANOCOLOR® Hardness 20
Photometric determination of total hardness (Calcium + Magnesium)

Photometric determination of total hardness with phthalein purple

With the aid of a selective masking agent differenciation between calcium and magnesium is possible.

Data and ordering information
REF 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 1.5 years after production
Sea water suitability yes, after dilution (1+29)
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