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Calcium carbonate Biological Calcium Carbonate CAS:471-34-1
Product name: |
Calcium Carbonate |
Synonyms: |
Carbonic acid calcium salt; Limestone; Marble |
Appearance: |
White powder |
CAS number: |
471-34-1 |
Molecular formula: |
CaCO3 |
Molecular weight: |
100.09 |
Item |
Specification |
Appearance |
White powder |
Assay % |
98.0-100.5 |
Acid-insoluble substances ≤% |
0.2 |
Heavy metal(as Pb) ≤% |
0.002 |
Lead ≤ppm |
3.0 |
Arsenic(as As) ≤ppm |
3.0 |
Fluoride ≤% |
0.005 |
Loss on drying ≤% |
2.0 |
Magnesium and Alkali salts ≤% |
1.0 |
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