barium sulfate

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noun Chemistry.

a white, crystalline, water-insoluble powder, BaSO4, used chiefly in the synthesis of pigments, as in paints and printing inks, and, because of its radiopacity, for x-ray diagnosis in medicine.

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Origin of barium sulfate

First recorded in 1870–75

Words nearby barium sulfate

barium hydroxide, barium meal, barium oxide, barium peroxide, barium stearate, barium sulfate, barium sulfide, barium sulphate, barium swallow, barium thiosulfate, barium titanate

How to use barium sulfate in a sentence

Magnesium sulfate has been around since 1906 and has since been proven to be a superior medication.
Beyond ‘Downton Abbey’: Preeclampsia Maternal Deaths Continue Today|Eleni Tsigas, Christine Morton|January 28, 2013|DAILY BEAST
Barium and sodium salts were made by neutralizing the acid, and were purified by crystallization.
Some Constituents of the Poison Ivy Plant: (Rhus Toxicodendron)|William Anderson Syme
It was then evaporated to a small bulk, neutralized with barium carbonate and extracted with ether.
Some Constituents of the Poison Ivy Plant: (Rhus Toxicodendron)|William Anderson Syme
The excess of lead was removed by sulphuric acid, and the sulphuric acid was removed by barium carbonate.
Some Constituents of the Poison Ivy Plant: (Rhus Toxicodendron)|William Anderson Syme

By warming with alkalies or barium hydroxide, rhamnose is colored yellow.
Some Constituents of the Poison Ivy Plant: (Rhus Toxicodendron)|William Anderson Syme
The described change in ionization can be roughly followed with the aid of an insoluble sulphate like barium sulphate.
The Elements of Qualitative Chemical Analysis, vol. 1, parts 1 and 2.|Julius Stieglitz

Medical definitions for barium sulfate

barium sulfate

A fine white powder used as a pigment and as a contrast medium in x-ray photography of the digestive tract.

Scientific definitions for barium sulfate

barium sulfate

A fine white powder used in making textiles, rubber, and plastic. It is also used in diagnostic imaging of the digestive tract. Barium sulfate occurs in nature as the mineral barite. Chemical formula: BaSO4.