Product Description
Oyster shell powder
Appearance: White powder
Statutory No: CAS 471-34-1 GB12493-90(No.16.205)
Molecular formula: CaCO3 :CaCO3
Molecular weight::100.09
Purpose: calcium fortifier, osteoporosis agent.
Packaging and storage:: Preserve in well-closed container,25kg/paper plastic complex bag,or according to order.
Shelf life: In conform to the specified storage conditions and packaging is complete, shelf life is 2 years.
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Item
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Index QB 1413—1999
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CaCO3 (dry basis),% ≥
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97.6
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Loss on drying,% ≤
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1
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Acid-insoluble substances % ≤
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0.3
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Barium(Ba) % ≤
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0.03
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Arsenic(As) mg/kg ≤
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3
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Heavy Metals(Pb ) mg/kg ≤
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10
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Cadmium(Cd) mg/kg ≤
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0.2
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Fineness, mesh ≥
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180
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