Barium Sulfate, a natural barium sulfate, namely barite powder, white or gray powder, coarse particle, the particle size is typically 2-5 micron, brittle, PH value of 4.5. Another is a synthetic barium sulfate, also known as precipitated barium sulfate, colorless orthorhombic crystalline or amorphous white powder, almost insoluble in water, ethanol and acid, soluble in hot concentrated sulfuric acid, easy to agglomerate when dry. Adding barium sulfate, can improve the hardness and acid resistance can be improved.
It is also a X-ray examination adjuvant. Odorless white powder, X-ray examination may provide positive contrast substance in the body. Medical barium sulfate is not absorbed in the gastrointestinal tract, there is no allergic reaction, which does not contain a soluble barium compounds barium chloride, barium sulfide and barium carbonate. Mainly used for gastrointestinal imaging, even checking for other purposes.
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