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Natural Barium Sulfate (CAS: 7727-43-7)
Natural Barium Sulfate (CAS: 7727-43-7) is a barytes ore that has been carefully selected to give atypical BaSO4 content from 86% to 92%. Natural barium sulfate mesh is milled to a mean particle size between 8 and 12 microns. The product has a cream to off-white hue.
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Barium Sulfate Precipitated (CAS: 7727-43-7)
Barium Sulfate Precipitated (CAS: 7727-43-7) is a white formless powder, relative density 4.50 g/cm³(15℃), melting point 1580℃. No taste and no poisonous. Acid and alkali-resistant, mohs hardness(3-3.5), can absorb X-ray and other dangerous radiation.
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Sodium Sulphide (CAS: 1313-82-2)
Sodium Sulphide. At room temperature, pure product is colorless or purplish prismatic crystal, industrial products often contain impurities for pink, brown red, yellow block. Has a bad smell. Dissolve in cold water, easily soluble in hot water, slightly soluble in alcohol.
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