WHAT IS POTASSIUM CYANIDE THINGS TO KNOW BEFORE YOU BUY

Potassium ferrocyanide is used to attain a blue color on Solid bronze sculptures over the closing finishing stage from the sculpture. By itself, it'll produce an extremely dark shade of blue and is often combined with other chemical compounds to realize the desired tint and hue.This can be made up of the good base (KOH) along with a weak acid (HCN)