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Beijing KangPuHuiWei Technology Co.,Ltd.

Potassium carbonate

Author：admin Time：2019-01-04 09:43:51

Product Information

Potassium carbonate, anhydrous K2CO3

Alias:anhydrous potassium carbonate, potassium alkali

Relative molecular Weight:138.21

Properties:White granules or powder, it isHygroscopicity.The relative density of 2.428,Melting at 891 ° C.Solublein water, aqueous solution was alkaline, insoluble in ethanol and ether.

Product standards NO: GB/T 1397-1995

Specifications: Content and content of impurities in %

Test Items	AR	CP
Content	99.0	98.0
Clarity test	Qualified	Qualified
Water insoluble matter	0.005	0.03
Loss on drying	1.0	2.0
Chloride （Cl）	0.003	0.01
Sulfur compounds（以SO4计）	0.003	0.01
Total nitrogen content（N）	0.001	0.01
Phosphates and silicates（以SiO2计）	0.005	0.02
Sodium（Na）	0.05	0.10
Magnesium（Mg）	0.002	0.005
Calcium （Ca）	0.002	0.02
Iron（Fe）	0.0005	0.002
Copper（Cu）	0.0005	0.001
Lead （Pb）	0.0005	0.001

Usage:Use for analyzing the reagents, suchas as the benchmark reagents, silicate flux, carbon dioxide absorbent.Use forthe preparation of potassium salt.

ARgrade anhydrous potassium carbonate reagent

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