Calcium Carbonate

Appearance: White powder Molecular formula: CaCO3 Molecular weight: 100.09 Product specification: Statutory No.：CAS 471-34-1 EINECS 207-439-9：INS 170 Item Index GB1898-2007 USP32 CaCO3 % 98.0-100.5 98.0-100.5 Loss on drying ≤% 2.0 2.0 Acid-insoluble substance ≤% 0.20 0.20 Iron ≤% ---- 0.1 Heavy metals ≤% ---- 0.002 Lead ≤ppm 3 3 Arsenic ≤ppm 3 3 Fluoride ≤% 0.005 0.005 Mercury ≤ppm 1 0.5 Magnesium and alkali salts ≤% 1.0 1.0 Barium ≤% 0.030 Meet the requirement Cadmium ≤% 0.0002 ---- Free alkali Meet the requirement ---- Packaging and storage: 25kg/complex paper bag, or according to order. Preserve in well-closed containers.

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