barium sulfate
n.
A fine white powder, BaSO4, used as a pigment, as a filler for textiles, rubbers, and plastics, and as a contrast medium in x-ray photography of the digestive tract.
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A fine white powder, BaSO4, used as a pigment, as a filler for textiles, rubbers, and plastics, and as a contrast medium in x-ray photography of the digestive tract.
A white, finely ground, tasteless powder that is insoluble in water, solvents, and solutions of acids and alkalis; used in radiography as a contrast medium because of its opacity to roentgen rays and as a protective barrier in plaster walls.
Brand names: Anatrast®, Baro-cat®, Baricon®, Barobag®, Baroflave®, Digibar 190®, Enecat®, Entrobar®, Epi-C®, Flo-Coat®, HD 85®, Liquid Barosperse®, Liquipake®, Prepcat®, Tomocat®, Tonopaque®, Intropaste®, HD 200 Plus®, Enhancer®, Pediatric Bear-E-Bag®, Barosperse®, EntroEase Dry®, Liqui-Coat HD®, Medebar Plus®, Imager ac®, Bear-E.Yum GI®, EntroEase®, Bear-E.Yum CT®, Cheetah®
Barium Sulfate oral suspension
What is Barium Sulfate oral suspension?
BARIUM SULFATE (many brands) is a radiopaque agent used to diagnose problems with the gastrointestinal (GI) tract. When barium is taken by mouth, it makes the upper areas of the GI tract, like the esophagus, the stomach, and/or the small intestine opaque or white so they can be photographed by x-rays. This test is commonly called an 'Upper GI' test. Usually several x-rays are taken to take pictures as the barium moves through the stomach and intestines. The barium procedure shows if anything is wrong inside the GI tract and how well it is working. Generic barium sulfate oral suspensions are available.What should I tell my health care provider before I take this medicine?
They need to know if you have any of these conditions:How should this medicine be used?
What if I miss a dose?
If you cannot follow the steps to prepare for your test, you must tell your health care professional. The test may need to be re-scheduled.What drug(s) may interact with Barium Sulfate?
What should I watch for while taking Barium Sulfate?
Follow all instructions of your health care professional to properly prepare for your test. Serious side effects of the test are rare, but report an unexplained fever, blood in the stool, or significant abdominal pain promptly.What side effects may I notice from receiving Barium Sulfate?
Side effects that you should report to your prescriber or health care professional as soon as possible:Where can I keep my medicine?
This usually does not apply; you will be given barium during the procedure.Last updated: 3/4/2004 2:42:00 PM
Important Disclaimer: The drug information provided here is for educational purposes only. It is intended to supplement, not substitute for, the diagnosis, treatment and advice of a medical professional. This drug information does not cover all possible uses, precautions, side effects and interactions. It should not be construed to indicate that this or any drug is safe for you. Consult your medical professional for guidance before using any prescription or over the counter drugs.
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Barium Sulfate |
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| CAS number [7727-43-7] |
ATC code V08BA01 |
| Chemical formula | BaSO4 |
| Molar mass | 233.43 g/mol |
| Specific gravity | 4.5 |
| Bioavailability | negligible orally |
| Melting point | 1580°C |
| Density | 4.5 g/cm3 |
| Solubility in water | 0.00115 g/L (18°C) |
| Solubility Product in water | 1.08×10-10 (25°C) |
| RTECS number | CR060000
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Barium sulfate (or barium sulphate) is a white crystalline solid with the chemical formula BaSO4. It is poorly soluble in water and other traditional solvents but is soluble in concentrated sulfuric acid. The mineral barite is composed largely of barium sulfate and is a common ore of barium.
Barium sulfate is frequently used clinically as a radiocontrast agent for X-ray imaging and other diagnostic procedures. It is most often used in imaging of the GI tract during what is colloquially known as a 'Barium meal'.
It is administered, orally or by enema, as a suspension of fine particles in an aqueous solution (often with sweetening agents added). Although barium is a heavy metal, and its water-soluble compounds are often highly toxic, the extremely low solubility of barium sulfate protects the patient from absorbing harmful amounts of the metal. Barium sulfate is also readily removed from the body, unlike Thorotrast, which it replaced. Due to its relatively high atomic number (Z = 56) of barium, its compounds absorb X-rays more strongly than compounds derived from lighter nuclei.
Barium sulfate mixtures are used as white pigment for paints. The combination of barium sulfate and zinc sulfide (ZnS) is called lithopone. Barium sulfate itself is called blanc fixe. It replaced white lead due to the latter's toxicity.
Barium sulfate is also used as a high temperature oxidizer in certain pyrotechnic formulas, as bariums compounds emit a green colored light when burned. Barium nitrate is more common in green pyrotechnic formulas, as it contains an oxidizer while still producing green colored light.
Barium sulfate is used as a filler in plastics and as a component of oil well drilling fluid to increase the density.
It is used in brake linings, acoustic foams and powder coatings
Barium sulfate is also used during the procedure of the soil pH test. In this test it is used so that it precipitates out any particles (usually clay particles) which would otherwise 'cloud' solution preventing one from seeing the colour of the pH indicator i.e. the result of the test.
It is used in root canal filling.
In colorimetry barium sulphate is used as a near-perfect diffuser when measuring light sources.
Barium sulfate is reduced to barium sulfide by carbon. The accidental discovery of this conversion many centuries ago led to the discovery of the first synthetic phosphor (Hollman and Wiberg, 2001). The sulfide, unlike the sulfate, is water soluble.
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