DUROVAL® 1 drop = 1°dH

DUROVAL® 1 drop = 1°dH

Titration kit for the determination of water hardness via complexometric. titration. 1 drop corresponds to 1 degree of German hardness. Analyses: approx. 30 (at an average hardness of 10 °dH.) This product is available in following versions: 50 pcs. neutral inlays...
DUROGNOST® special buffer solution

DUROGNOST® special buffer solution

For the buffering of strongly alkaline water samples (over pH 10) for total and residual hardness determinations with Durognost® and Duroval® kits (8 ml dropper bottle). Analyses: approx. 200
DUROGNOST® SR 1

DUROGNOST® SR 1

Liquid special indicator in dropper bottle for the monitoring of softened water like Durognost® SR 0, set for the limit values of 1 = 18 ppm CaCO3 and 0.5 °dH = 9 ppm CaCO3. Description Complete with measuring tube and stopper.Analyses: approx. 250Measuring time:...
DUROGNOST® SR

DUROGNOST® SR

Liquid special indicator in dropper bottle for the monitoring of softened water, like DUROGNOST® SR0, set for the limit values of 0.5 = 9 ppm CaCO3 and 0.25 °dH = 4.5 ppm CaCO3. Description Complete with measuring tube and stopper.Analyses: approx. 250Measuring time:...
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....