Description
Chemical Name: Calcium Carbonate
CAS Number: 471-34-1
EINECS Number: 207-439-9
Chemical Formula: CaCO3
Molecular Weight: 100.0892
Description: White fine crystalline odorless powder.
Standard: FCC/USP32/BP2015
Specification:
|
Identification [CO32- ] & [Ca2+]: |
Meet the requirements |
|
Assay [CaCO3]: |
98.0%~100.5% |
|
Insoluble substance in acid: |
0.20% Max. |
|
Loss on drying: |
1.0% max. |
|
Fluoride: |
0.003% max. |
|
Magnesium and Alkali salts: |
1.0% max. |
|
Mercury [Hg]: |
0.5ppm max. |
|
Iron [Fe]: |
0.1% max. |
|
Heavy metals: |
20ppm max. |
|
Arsenic [As2O3]: |
2ppm max. |
|
Lead [Pb]: |
3ppm max. |
|
Mercury [Hg]: |
0.5ppm max. |