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Light/Heavy Calcium carbonate
Identification:
Chemical Name: Calcium carbonate
Synonyms: C.I. 77220; C.I. Pigment White 18
CAS No.: 471-34-1;13397-25-6;1317-65-3
Relative molecular mass:100.09
Molecular Formula: CaCO3
White powder or crystallization, smell-less, odorless. Dissolve in thin acid and release carbon dioxide, hardly dissolve in water and alcohol.
Specifications:
Items | Special Grade |
Assay (CaCO3),% ≥ | 99.9 |
Barium(Ba),% ≤ | 0.008 |
Strontium(Sr),% ≤ | 0.008 |
Sodium(Na) ,% ≤ | 0.009 |
Potassium(K) ,% ≤ | 0.001 |
Magnesium(Mg) ,%≤ | 0.002 |
Aluminum(Al) ,% ≤ | 0.002 |
Silicon(Si) ,% ≤ | 0.005 |
Iron (Fe) ,% ≤ | 0.001 |
Chloride (Cl) ,% ≤ | 0.008 |
Sulfide,% ≤ | 0.0001 |
Total sulfur,% ≤ | 0.0015 |
Moisturecontent,%≤ | 0.1 |
HCL Insoluble Matter,% ≤ | 0.005 |
Application:
Used for examining and determining the halogen in the organic compound reaction, decomposing silicate with the ammonium chloride, preparation of calcium chloride solution to demarcate soap solution, examine phosphor and manufacture optics neodymium glass.
Packing:
Pack in 25 or 50kg per bag or according to the riquirements of customers.