Product Name Barium sulfate molecular formula: BaSO4 Appearance: White crystal powder

Properties:

White crystalloid powder. The relative density 240, melting point °C (12 °C decomposition's 15). Insoluble in water, ethanol, acid and treatments.

Use:

Analytics reagents, also used in the electronics, instruments, metallurgy, pharmacy industry.

Details:

Test item	Specification
	Reagent grade	Pharmaceutical grade
Appearance	Conform	Conform
Hydrochloric acid soluble substance /%	≤0.15	≤0.25
Calcination weightlessness /%	≤1.5	≤1.5
Chloride (Cl)/%	≤0.005	≤0.02
Soluble sulfate (SO4)/%	≤0.005	≤0.01
Nitrogen compounds (N)/%	≤0.0005	≤0.001
Ferric (Fe) /%	≤0.0005	≤0.001
Arsenic  (As)/%	≤0.0001	≤0.001
Soluble BeiYan (Ba)/%	≤0.0001	≤0.0005
Heavy metal (Pb)/%	≤0.0005	≤0.001

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Precipitated barium sulfate