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Barium Sulfate

Appearance: White powder

Molecular formula: BaSO4

CAS No.: 7727-43-7

H.S. Code: 2833270000

Technical Details
ItemStandardsTypical Value
Content≥98.0%0.982
Water soluble matter≤0.30%0.0011
Acid soluble matter≤0.60%confirmed
PH value  6.0-9.08
Iron(Fe)≤0.004%4E-05
Sulfide(S)≤0.003%1.5E-05
Particle size distributionDepends on gradeDepends on grade
Oil absorption8-25%0.19
Whiteness ≥9696
Properties

Barium sulfate is a kind of amorphous white powder or paste. It is nontoxic, insoluble in water, and slightly soluble in boiling hydrochloric acid.

It is chemically stable, with a total reduction of carbon as barium sulfide. It won't change color when meeting with hydrogen sulfide or toxic gases in the air.

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