| CAS No.: | 7727-43-7 |
|---|---|
| Formula: | Bao4s |
| EINECS: | 231-784-4 |
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Barium sulfate, also known as barite, has the chemical formula BaSO4 and is a colorless or white orthorhombic crystal.
Type I barium sulfate: white loose fine powder, odorless and tasteless. Type II barium sulfate: It is refined from the sulfate mineral barite group barium sulfate. Calculated as a dry product, the barium sulfate content should not be less than 97%. It is a white loose fine powder, odorless and tasteless. Barium sulfate (type I and type II) is insoluble in water, organic solvents, acids or sodium hydroxide, and contains 58.84% barium.
Barium compounds have a wide range of uses:
1. Barium sulfate can be used as raw material and filler in rubber, plastics, pigments, coatings, papermaking, textiles, oils, inks, and welding rods;
2. Used as raw material for barium-based grease, oil refining, beet sugar production, and rayon;
3. Used as pesticides, sterilants, rodenticides, explosives, green fireworks, signal flares, tracer bombs, indicators for medical X-ray imaging, etc.;
4. Also used in glass, ceramics, leather, electronics, building materials, metallurgy and other sectors.
Barium metal can be used as a getter and adhesive for televisions and vacuum tubes. Barium alloys with aluminum, magnesium, lead, silver and other metals are used to make bearings.
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Property
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Technical Analysis and Physical
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Content of BaSO4 %≥
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98.0
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Whiteness ≥
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93.0
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Oil absorption g/100g
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18
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Valatile at 105°C % ≤
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0.3
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Fineness (325 micron) %≤
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0.2
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PH value
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6 - 9
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Iron (Fe) % ≤
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0.05
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Water-soluble substances % ≤
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0.3
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