≥1 piece |
Appearance: White powder
Product specification:
Item USP27, BP GB1898-1996, CP2000,
Precipitated Calcium Ground Limestone
CaCO3 % 98.0-100.5 98.0-100.5
Loss on drying ¨1% 2.0 2.0
Acid-insoluble substance ¨1% 0.1 0.1
iron % 0.02 0.02
Heavy metals ¨1 % 0.002 0.002
Lead ppm 3 3
Arsenicppm 3 3
Fluoride % 0.005 0.005
mercury ppm 0.5 0.5
Magnesium and alkali salts% 1.0 1.0
Barium % 0.030 0.030
Free alkali Meets the requirements Meets the requirements
Chloride ppm 330 330
Sulfate Meets the requirements Meets the requirements