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Mudanjiang Fengda chemical import and Export Co., Ltd
Oxalic Acid,Formic Acid,Sodium Formate,Calcium formate,Sodium,
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precipitated light! Calcium Carbonate USP26
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Product Description
Molecular Formular:CaCO3 Molecular Weight:100.09 CAS No.:471-34-1 Property:White powder ,not soluble in water, soluble in acid. Specification: 1.Calcium Carbonate Precipitated light
CaCO3 (as dry basis) | 97% Min | |
PH (10% solution) | 9.0-10.5 | |
105°C volatile | 0.7% Max | |
Insoluble matter in Hcl | 0.2% Max | |
Sedimentation volume | 2.6 ml/g Min | |
Fe | 0.1% Max | |
Mn | 0.008% Max | |
Whiteness | 90 Min | |
Screening Remainder | 125µm sieve | 0.01% |
45µm sieve | 0.4% | |
2. Calcium Carbonate USP26
Purity | 98 % Min |
Acid insoluble | 0.2% Max |
iron | 0.1% Max |
Barium | Negative |
Fluoride | 0.005%Max |
Heavy metal (Pb) | 0.002%Max |
Arsenic | 3ppm Max |
Lead | 3ppm Max |
Magnesium &Alkali Salts | 1.0% Max |
Mercury | 0.5ppm Max |
Loss on drying(200°C) | 2.0% Max |
carbonate of calcium wall board , heavy calcium carbonate , precipitated calcium carbonate
China carbonate of calcium wall board , China heavy calcium carbonate , China precipitated calcium carbonate