Pigment Information
This color contains the following pigments:
PB72-Cobalt Zinc Aluminate Blue Spinel
Pigment Name
PB72-Cobalt Zinc Aluminate Blue Spinel
Pigment Type
inorganic
Chemical Name
cobalt zinc aluminate
Chemical Formula
(Co,Zn)Al2SO4
Properties
Cobalt zinc aluminate produces a deep, bright shade of Cobalt Blue
Permanence
Cobalt salts are extremely lightfast and temperature stable.
Toxicity
Cobalt salts are toxic.
History
Since the discovery of processes for mining and purefying Cobalt Blue (PB28) in the 19th century, additional processes for manufacturing and purifying other cobalt salts have become available. Their use as artist pigments has followed.
