product details-太阳集团娱乐网址4488.com-澳门太阳集团娛乐城

Beijing KangPuHuiWei Technology Co.,Ltd.

Block Calcium Oxide-99136.com-澳门太阳城网站44118

Product Information

Calcium Oxide  CaO

Alias: quicklime

Relative molecular Weight: 56.08

Properties:Colorless or white lumps orpowder.Absorb carbon dioxide and moisture in the air.The relative density of3.25 ~ 3.38,Melting point 2614 ℃,Boiling point 2850 ℃.With water generated calcium hydroxide and release a lot ofheat,slightly soluble in water,soluble in acid.Corrosive.Irritating to eyes,respiratory system and skin.

Reference standard: GB 1262-77

Specifications: Content and the highestcontent of impurities in %

Test Items

AR

CP

Content (after ignition)

98.0

97.0

Clarity test

Qualified

Qualified

Acetic acid insoluble

0.05

0.01

Burning weightlessness

2

5

Chloride(Cl)

0.003

0.01

Nitrate(NO3)

0.004

0.01

Sulfate(SO4)

0.1

0.25

Iron(Fe)

0.015

0.03

Alkali metal and magnesium(MgO)

0.5

1.0

Ammonia does not precipitate

0.2

0.4

Usage:Use for analyzing thereagents,Spectral analysis reagents,Phosphor Co-solvent,Vegetable oildepigmenting agent.Used as carbon dioxide absorbent in Gas analysis.High-purityreagents for semiconductor production in the epitaxial, exo-processes.

      

AR Grade/CP Grade high purity Calcium Oxide

Last:Calcium hydroxide

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