Uranium oxide, depleted

Description

Although expensive, the depleted uranium oxide is sometimes used as a pigment in glazes. It produces red and orange colors at about 940 C while slightly higher temperatures give a soft yellow color (Kawai's yellow). It can turn gray or black at temperatures above 1260 C.

Synonyms and Related Terms

Kawai yellow

Composition	U3O8
Density	7.3

Hazards and Safety

Highly toxic by ingestion and inhalation. Human carcinogen.

Authority (list of all sources checked for information on this subject)

• Richard S. Lewis, Hawley's Condensed Chemical Dictionary, Van Nostrand Reinhold, New York, 10th ed., 1993

• Robert Fournier, Illustrated Dictionary of Practical Pottery, Chilton Book Company, Radnor, PA, 1992