Photometric determination of total hardness with phthalein purple With the aid of a selective masking agent differenciation between calcium and magnesium is possible.
- Reference Code: 985043
- Type: 1.25 - 25.00 °e 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)