CTK Glykol (present/absent) – 25 Tests

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

Chemischer Testkit zur Bestimmung der Härte im Bereich 400 bis 3000 mg/l (ppm). Packungsgröse: 50 Tests

Chemical test kit for the determination of hydrogen peroxide in the range 0.00 to 2.00 mg / L / 0.0 to 10.0 mg / l (ppm). 100 Tests