barium sulphate

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barium sulphate

A scientist adds barium sulphate to a test tube in the laboratory.

Definition
  1. Noun:
    • A white or colorless mineral (BaSO₄); the main source of barium: A naturally occurring inorganic compound composed of barium, sulfur, and oxygen, which is the principal ore for obtaining the element barium.
    • A white insoluble radiopaque powder used as a pigment: A processed, fine, white powder derived from the mineral, characterized by its inability to dissolve in water and its property of blocking X-rays, making it useful in various industrial and medical applications.
Examples of Usage
  • Noun:
    • The geologist identified the vein as primarily composed of barium sulphate.
    • In the X-ray procedure, the patient drank a suspension containing barium sulphate to outline the digestive tract.
    • The paint manufacturer uses barium sulphate as an extender pigment to add bulk and brightness.
Advanced Usage
  • "Barium sulphate suspension": A mixture of barium sulphate powder in a liquid, used as a contrast agent in medical imaging.

    • The radiologist prepared a barium sulphate suspension for the swallow study.
  • "Precipitated barium sulphate": A specially processed form of the compound with very fine particles, used in high-quality paints and coatings.

    • This premium grade of white paint contains precipitated barium sulphate for superior opacity.
Variants and Related Words
  • Barite (n): Another name for the natural mineral form of barium sulphate (BaSO₄).

    • The mining company specializes in extracting barite.
  • Barium sulfate (n): The American English spelling variant of 'barium sulphate'.

    • The safety data sheet lists the ingredient as barium sulfate.
  • Barytes (n): An industrial and commercial term, often used interchangeably with 'barite' for the mineral.

    • The drillers used a mud weighted with barytes.
Synonyms
  • Heavy spar: A traditional miner's term for the mineral barite, referring to its high density.
  • Blanc fixe: A French term meaning "permanent white," used for the artificially prepared, very fine powder form of barium sulphate used in paints.
Related Phrases
  • Barium meal (n phrase): A diagnostic procedure involving swallowing barium sulphate to visualize the upper GI tract.

    • The patient was scheduled for a barium meal to investigate the stomach pain.
  • Barium enema (n phrase): A diagnostic procedure involving the introduction of barium sulphate into the rectum and colon to visualize the lower GI tract.

    • A barium enema can help detect polyps in the colon.
barium sulphate

A scientist adds barium sulphate to a test tube in the laboratory.

Noun
  1. a white or colorless mineral (BaSO4); the main source of barium
  2. a white insoluble radiopaque powder used as a pigment