Specification :

Calcium Carbonate (1:1)
CaCO 3 100.09

Appearance:
White powder

Product specification:
Item USP27, BP GB1898-1996, CP2000,
Precipitated Calcium Ground Limestone
CaCO 3 % 98.0-100.5 98.0-100.5
Loss on drying d % 2.0 2.0
Acid-insoluble substance d % 0.1 0.1
Iron d % 0.02 0.02
Heavy metals d % 0.002 0.002
Lead d ppm 3 3
Arsenic d ppm 3 3
Fluoride d % 0.005 0.005
Mercury d ppm 0.5 0.5
Magnesium and alkali salts d % 1.0 1.0
Barium d % 0.030 0.030
Free alkali Meets the requirements Meets the requirements
Chloride d ppm 330 330
Sulfate Meets the requirements Meets the requirements

Packaging and storage:
Preserve in well-closed container, 25kg / paper plastic complex bag, or according to order.