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 thiosulfate, barium titanate, bar joist

How to use barium sulfate in a sentence

If sulfurous acid is present, it will be oxidized to sulfuric acid and precipitated as barium sulfate by the barium chlorid.
Detection of the Common Food Adulterants|Edwin M. Bruce
A white precipitate of barium sulfate will form if sulfuric acid is present.
Detection of the Common Food Adulterants|Edwin M. Bruce
Sulfates may be detected by adding barium chlorid to the aqueous solution of the honey and precipitating barium sulfate.
Detection of the Common Food Adulterants|Edwin M. Bruce

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.