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Having development, manufacturing and marketing on chemical powder raw material over two decades, equipped with state of the art production lines, Huan Qiu has its all-round expertise on calcium carbonate, talc powder and clay along with manufacturing capability for various industrial products. Huan Qiu has been associated with USA Chemical Powder Material Research Institute several years to develop new materials. Additionally, there are two research centers in Huan Qiu sited in Guangxi and Haicheng in China , to boost new innovations of chemical raw material and other chemical products.
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Pharmaceutical Calcium Carbonate |
Our Calcium Carbonate products are widely used in the paper-made, paint, plastic, rubber, medicine, food, porcelain and chemical industries. The production lines are automatically controlled, quality for Calcium Carbonate products are very stable and highly favored by various customers.We insist the tenet "customers paramount, quality reliable, reputation first." And make the satisfaction always to accompany with the customers. |
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Pharmaceutical grade of Calcium Carbonate has high CaCO3 content and low impurities, some specification are superior to those in USP26-28,EP2002,BP2002 and CP2000. In addition some specifications also can be added according to the customer ' s demanding, such as particle size and bulk density, to meet special requests.DC grade
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No. |
Item |
Specification |
01 |
CaCO 3 content (dry basis) |
99.1-100.5 |
02 |
Iron (as Fe 2 O 3 ) % < |
0.04 |
03 |
Mercury % < |
0.00005 |
04 |
Magnesium and alkali salts % < |
1.0 |
05 |
Heavy metal % < |
0.002 |
06 |
Loss on drying % < |
0.5 |
07 |
Identification(carbonate) |
Effervesce with acids,evolving a colorless gas that when passed into Ca(OH)2,produces a white precipitate. |
08 |
Identification(calcium salt) |
Moistened with HCL,impact a transient yellowish red color to a nonluminous flame |
09 |
Acid insoluble % < |
0.2 |
10 |
Fluoride % < |
0.005 |
11 |
Arsentic % < |
0.0003 |
12 |
Barium |
No green flame |
13 |
Lead % < |
0.0003 |
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