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Specifications Formula: BaSO4Formula Weight: 233.39CAS Number: 7727-43-7GMP Manufactured ProductMeets U.S.P. RequirementsIdentification APasses TestIdentification BPasses TestBulkinessPasses TestpH of 10% Aqueous Solution at 25°C3.5 - 10.0Sulfide (µg/g)max. 0.5Acid-Soluble Substancesmax. 0.3 %Soluble Barium Saltsmax. 0.001 %Heavy Metals (as Pb)max. 0.001 %Assay97.5 - 100.5 %Particulate MatterPasses TestMeets BP/Ph.Eur. Chemical SpecificationsIdentification APasses TestIdentification BPasses TestAcidity or Alkalinitymax. 0.3 %Acid-Soluble SubstancesPasses TestOxidizable Sulfur CompoundsPasses TestSoluble Barium SaltsPasses TestPhosphate (PO4)max. 50 ppmArsenic (As)max. 2 ppmHeavy Metals (as Pb)max. 10 ppmLoss on Ignitionmax. 2.0 %SedimentPasses Test
