DUROGNOST® SR 0

DUROGNOST® SR 0

Liquid special indicator in dropper bottle for the monitoring of softened water, set for the limit values of 0.1 = 1.8 ppm CaCO3 and 0.05 °dH = 0.9 ppm CaCO3. Description Complete with measuring tube and stopperAnalyses: approx. 250Measuring time: approx. ½...
DUROGNOST® I

DUROGNOST® I

Special indicator in powder form for the rapid colorimetric determination of minimum hardness traces in the range 0-0.1 °dH, 0-1.8 ppm CaCO3 or 0-0.2 °f (French hardness). Description Complete with measuring tube and spoon.Analyses: approx. 700Measuring time: approx....