Cupric (Copper) nitrate, Cu(NO3)2, is an inorganic compound that forms a blue crystalline solid.
Simple Patina Solution Mixtures: Cupric Nitrate – 250g-500g per 1 gal distilled water.
Patina Recipe: BASIC GREEN (Semi-transparent finish; Hot process):
– Cupric Nitrate (1 tsp.)
– Clean, potable water (1 pint)
Note: A fresh mixture is needed for each coloring.
Patina Recipe: PURPLE (Transparent finish; Hot process):
– Copper Nitrate (1 tsp.)
– Clean, potable water (1 pint)
– Potassium Ferrocyanide
