Color Swatch created using loose powder and was applied on 4" diameter × ½" deep dish of plastic material.
This color contains the following pigments:
PW1—Barium Sulfate
Pigment Type
inorganic
Chemical Name
barium sulfate
Chemical Formula
BaSO4
Properties
Barium Sulfate is a low tinting strength neutral white, often used as an extender.
Permanence
Barium Sulfate has excellent lightfastness.
Toxicity
Although barium is a heavy metal and is toxic, barium sulfate has very low solubility in water, and is not easily absorbed biologically. Barium sulfate is used as a contrast medium in radiology.
History
Barium sulfate is the principle component of baryte, a common mineral. It has many industrial uses. John Dalton's discovery (1803) of a process to reduce barium sulfate to barium sulfide was instrumental in the development of the theory of atoms.
Alternate Names
Baryte