The Ricca Chemical ZoBell's solution is composed of 98.50% water, 0.75% potassium ferrocyanide trihydrate, 0.75% potassium chloride and 0.00% potassium ferricyanide. It is suitable for use in ORP (oxidation-reduction potential) sensor calibration. It can be stored at a temperature of 15 to 30…

The Ricca Chemical zinc standard with a composition of 95.19% water, 3.84% nitric acid and 0.97% zinc, is suitable for research and laboratory use. It acts as an anti corrosive agent on metallic surfaces. It can be stored at a temperature of 15 to 30 degree C.