DUROVAL® 1 drop= 0,1 °dH
Titration kit for the determination of water hardness via complexometric. titration. 1 drop corresponds to 0.1 degree of German hardness. Analyses: approx. 30 (at an average hardness of 1 °dH.) This product is available in following versions: 50 pcs. neutral inlays...
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
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