VISOCOLOR® HE Alkalinity AL 7 • Titrimetric determination of alkalinity (acid capacity) • Titrimetric determination of the alkalinity with hydrochloric acid against the m indicator. • Type: high sensitive titration kit • Range :1 syringe is sufficient for the determination of 0.2 – 7 mmol/l OH– (corresponds to 10 – 350 mg/l CaCO3); 1 gradation mark = 0.2 mmol/l OH– • Sufficient for: 200 tests with an average acid content of 4 mmol/l OH– • Shelf life at least: 2 years • Sea water suitability: yes • Detectable with PF-11: no • All compounds which cause a pH increase above pH 7 are determined, e. g. hydroxide, carbonate, hydrogen carbonate etc..