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.

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The bismuth trioxide has some limitations due to its yellow color.

The effects of type and loading of radiopaque fillers on the properties of polyether block amide compounds

8], [10] Sealapex's manufacturer has recently modified its formulation by adding bismuth trioxide to improve its radiopacity properties and increase its shelf life.

Sealer 26 contains bismuth trioxide, acting as the sealer radiopaque substance.

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.

Radiopacity evaluation of root canal sealers containing calcium hydroxide and MTA

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