CTK Chlor Frei

Chemical test kit for the determination of carbon dioxide in the range 0 to 10 mg / l / 0 to 50 mg / l / 0 to 100 mg / l (ppm).

Test kit for the chemical determination of oxygen dissolved in the range 0 to 10.0 mg / l (ppm). 110 tests

Test kit for the chemical determination of sulfate in the range 100 to 1000 mg / l (ppm) and 1000 to 10000mg / l (ppm). 200 tests