CTK Chlor Frei

A test kit for the determination of chemical sulphite in the range 0 to 20 mg / l / 0 to 200 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