Quick Lime Lump for Gold Mining with High Calcium Oxide (1600129522873)

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Description

Calcium oxide CaO
Calcium oxide is an inorganic compound, the chemical formula is CaO, the common name quicklime.Physical properties are white
powder surface, impure for gray white, containing impurities in light yellow or gray, with hygroscopicity
* Quick lime. Calcined lime

Calcium oxide CaO
Calcium oxide is an inorganic compound, the chemical formula is CaO, the common name quicklime.Physical properties are white powder surface, impure for gray white, containing impurities in light yellow or gray, with hygroscopicity.




         Calcium Oxide
Calcium oxide
Calcium oxide foreign name: calcium oxide other name quick lime:Calcined lime Chemical CaO molecular weight is 56.077
CAS No.135-78-8e
INEs 215-138-9
Melting point 2572℃ (2845K)
Boiling point 2850℃ (3123K)
Water solubility reacts with water to
produce slightly soluble calcium hydroxide density 3.35g /cm
Outside view White solid
Flash point is not flammable use desiccants
Safety description control information uncontrolled metal oxidation number II


Application of CaO
1. Can be used as a filler, for example, as a filler for epoxy adhesives;
2. Used as analytical reagent, carbon dioxide absorbent in gas analysis, spectral analysis reagent, high-purity reagent for epitaxial and diffusion processes in semiconductor production, ammonia drying and alcohol dehydration in the laboratory,
3. As raw materials, it can produce calcium carbide, soda ash, bleach powder, etc., also used in leather making, wastewater purification, calcium hydroxide and various calcium compounds;
4, can be used as building materials, metallurgical flux, cement accelerator, phosphor flux;
5. Used as vegetable oil decolorizer, drug carrier, soil improver and calcium fertilizer;
6. It can also be used for refractory materials and desiccant
7. Can prepare no. 1 and no. 2 adhesives for agricultural machinery and underwater epoxy adhesives, and can also be used as a reaction-agent for pre-reaction with 2402 resin;
8. Used for acid wastewater treatment and sludge conditioning;
9, can also be used as boiler out-of-service protective agent, the use of lime moisture absorption ability, so that the boiler water vapor system metal surface to keep dry, prevent corrosion, suitable for low pressure, medium pressure, small capacity drumboiler long-term out-of-service protection;
Preparation of calcium hydroxide,
10, can and water reaction equation: CaO + H ₂ O = Ca (OH) ₂, belongs to the chemical reaction.
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1600129522873
0.0248 s.