DUROVAL® A
Test kit for the determination of water hardness across all hardness ranges via complexometric titration with a liquid titration agent and a pipette, accurately calibrated in hardness units. Description Complete with measuring tube, pipette calibrated from 0-30 °dH,...
DUROVAL® 1 drop = 1°KH
Titration kit for the determination of alkalinity (carbonate hardness) via acidimetric. Titration. 1 drop corresponds to 1 degree of carbonate hardness. Analyses: approx. 30 (at an average hardness of 10 °dH).
DUROVAL® 1 drop = 10 ppm CaCO3
Titration kit for the determination of water hardness via complexometric titration. 1 drop corresponds to 10 ppm CaCO3. Analyses: approx. 30 (at an average hardness of 100 ppm CaCO3)