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Calcium Carbonate Heavy buy in Beijing
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Calcium Carbonate Heavy

Calcium Carbonate Heavy

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Description

Product Description

Calcium carbonate
Calcium carbonate is a chemical compound with the chemical formula CaCO3. It is a common substance found in rock in all parts of the world, and is the main component of shells of marine organisms, snails, pearls, and eggshells. Calcium carbonate is the active ingredient in agriculturallime, and is usually the principal cause of hard water. It is commonly used medicinally as a calcium supplement or as an antacid, but excessive consumption can be hazardous. It has high quality and competitive price.

product Calcium carbonate
CAS No. 471-34-1
Molecular Formula: CaCO 3
apperance Fine white powder
specifications Because of impurities containing different colors are gray, gray, dark gray, light yellow, brown or dignitaries, the density of ~ 2.2 2.9g/cm3. Hard to dissolve in water. Soluble in water containing carbon dioxide, generate acid-soluble calcium carbonate. Emit carbon dioxide dissolved in hydrochloric acid. When calcined lime and carbon dioxide production

Properties
Molecular formula CaCO3
Exact mass 100.0869 g/mol
Appearance Fine white powder
Density 2.71 g/cm 3 ( calcite )
2.83 g/cm 3 ( aragonite )
Melting point 825 ° C (calcite)
1339 ° C (aragonite)
Boiling point decomposes
Solubility in water 0.00015 mol/L (25° C)
Solubility product, K sp 4.8 × 10 − 9 [1]
Solubility in dilute acids soluble
Acidity (p K a) 9.0
Refractive index ( n D) 1.59
Structure
Crystal structure Trigonal
Space group 32/m
Hazards
MSDS ICSC 1193
use Limestone is widely used in building materials, metallurgy, chemical industry, agriculture and other fields. Using the materials, having the right ash, cement manufacturing, glass, soda ash and precipitated calcium carbonate, etc...
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Calcium Carbonate Heavy
Calcium Carbonate Heavy
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