| Customization: | Available |
|---|---|
| CAS No.: | 471-34-1 |
| Formula: | Ccao3 |
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Oyster calcium carbonate is made from the shells of Marine organisms by high-temperature calcination and electrolytic activation. Oyster shells contain more than 90% calcium carbonate and are white powder in appearance, containing abundant calcium and trace elements required by human body such as manganese, zinc, silicon and phosphorus. Oyster calcium carbonate is superior to traditional calcium in terms of solubility and absorption. It is also called "active calcium.
Our GMP oyster shell calcium carbonate is high quality light calcium carbonate calcined at high temperature It's white powder, with fine and uniform particles, good suspension and dispersion properties and high absorptivity. It has high purity and few impurities and suitable for health supplyment products.
| Item | Standard |
| Appearance | White powder |
| Identification | Positive response |
| Alkalinity | pH should not exceed 10.5 |
| Insoluble matter in acid | The residue left behind shall not exceed 0.2% |
| Drying loss | Not more than 0.5% |
| Heavy metal | No more than 0.0015% |
| Arsenc salt | Not more than 0.0001% |
| Content determination | According to the calculation of dry products, calcium carbonate in calcium (Ca) should be 39.4~40.4% |
1. Top quality materials with competitive price;
2. Large capacity of stable materials supply;
3. Safety and fast shipment by express/air/sea;
4. Sample order acceptable;
5. Professional and great packing as customized;
6. Convenient payment terms by T/T, Credit Card and online order;
7. Reply inquiries in time
Q: Who are you?
A: We are a professional and with more than 20 years experienced supplier and exporter for Industrial & fine chemicals, APIs, Reagent & Lab Supplies, and Food & Food Additives in China.
Q: How can you guarantee quality?
A: We could provide pre-production sample before mass production. And we also accept the final inspection(third-party) before shipment.
Q: Do you supply free samples?
A: Generally, we could provide free sample for quality evaluation, but the international shipping cost should be undertook by customers.
Q: Which payment terms do you accept?
A: We could accept the payment through T/T, L/C and Online payment.
Q: Can I pay with a credit card
A: Yes, you could feel free to make your payment through credit card. Please contact us for more details
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