bismuth trioxide

bismuth trioxide

[′biz·məth trī′äk‚sīd]
(inorganic chemistry)
Bi2O3 A yellow powder; melting point 820°C; insoluble in water, dissolves in acid; used to make enamels and to color ceramics. Also known as bismuth oxide; bismuth yellow.
References in periodicals archive ?
This likely reflects concerns of tooth discolouration, particularly from the bismuth trioxide radiopacifier, which is problematic for teeth in the aesthetic zone.
These four radiopaque fillers, along with bismuth trioxide, dominate the catheter medical device market.
[8], [10] Sealapex's manufacturer has recently modified its formulation by adding bismuth trioxide to improve its radiopacity properties and increase its shelf life.
The new formulation of Sealapex had greater radiopacity than the former formulation9 due to the addition of bismuth trioxide to its composition.
Bismuth trioxide and barium sulfate are added to the material to provide radiopacity.