VISOCOLOR ECO Zinc colorimetric test kit measuring range: 0.5-3 mg/L Zn2+ sufficient for 120 determinations no dangerous goods according transport re..
Colored reference standards to confirm instrument response (0-4 mg/L Cl2) Contains four solutions that simulate test color at different concentrations..
VISOCOLOR FISH reagent case for the determination of Ammonium, Nitrate, Nitrite, Phosphate, pH and Total hardness incl. color chart and manual __UN 3..