product details
Calcium hydroxide
Product Information
Calciumhydroxide Ca（OH）2
Alias: slaked lime, hydrated lime
Relative molecular Weight: 74.09
Properties:Delicate white crystalline powder.Abitter alkali flavor.In the air easily absorb carbon dioxide and becomecarbonate,Searing to 522 ℃ dehydration of calcium oxide.The relative density of 2.24, themelting point of 580 ° C (loss of water at the same time).Soluble in acid, ammonium, glycerol,Insolublein water, insoluble in alcohol, aqueous solution was alkaline,It has acorrosive effect on the skin and tissues.
Referencestandard: Enterprise standard
Specifications: Content and content of impurities in %
Test Items | AR | CP |
Content | 95.0 | 93.0 |
Hydrochloric acid insoluble | 0.05 | 0.1 |
Chloride （Cl） | 0.01 | 0.02 |
Sulfur compounds（以SO4计） | 0.2 | 0.3 |
Iron（Fe） | 0.01 | 0.02 |
Alkali metal and magnesium （MgO） | 0.5 | 0.75 |
Heavy metals（以Pb计） | 0.002 | 0.003 |
Ammonia precipitate | 0.25 | 0.5 |
Usage:Use for carbon dioxide and otheracidic gas absorbent,Hard water softener,Disinfectants, antacids.Use forpharmaceutical, organic synthesis.
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