VISOCOLOR® ECO Test Potassium

A standalone test kit for the chemical analysis of water samples that needs no additional apparatus or prior chemistry knowledge. The colour templates on the VISOCOLOR® card are matched to the colours of freshly prepared standard solutions, giving fine resolution, precision and reproducible results. It determines potassium over a measuring range of 2–15 mg/l K⁺ and provides enough reagents for 60 tests. Instructions are included in six languages.