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General
- Barium
sulfate is a white crystalline solid with the chemical formula
BaSO4.
- Barium
Sulphate 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 used to help doctors examine the oesophagus , stomach,
and intestine using x-rays or computed tomography.
Process
- Separation
of barium sulphate from water solution is a typical mass
crystallization process preceded by a strictly integrated
chemical reaction of sparingly soluble salt precipitation.
- Barium
sulphate nanoparticles can be prepared by use of tetradecanoic
acid, hexadecanoic acid and stearic acid as modifier.
- To prepare
a small quantity of solid barium sulfate, use exact quantities
of barium chloride and ammonium sulfate so that there is no
excess of either reagent in the remaining solution.
Application
- Barium
sulfate is frequently used clinically as a radiocontrast agent
for X-ray imaging and other diagnostic procedures.
- Barium
sulfate is used as a filler in plastics and as a component of
oil well drilling fluid to increase the density.
- In
photography it is used as a coating for certain photographic
papers.
- It is
used in brake linings, anacoustic foams and powder coatings.
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Barium sulfate is also used during the procedure of the soil
pH test.
I
Report
-
Aspiration of barium sulphate is not expected to cause
severe lung injury due to its relatively non-irritant
matter.
- On the
other hand, acute inflammation or even death attributed
either to high or low density preparations of barium
sulphate.
- SEM
micrographs and scintillation counters were used to measure
the barium particle sizes.
-
Sun and Sköld created barium sulphate (BaSO4) particles by
precipitation and used light scattering measurements to
determine its turbidity.
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