MN NANOCOLOR® Tube Test 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. • 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 • Sea water suitability: yes, after dilution (1:30)