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Beijing KangPuHuiWei Technology Co.,Ltd.

Anhydrous sodium carbonate

Author：admin Time：2019-01-04 09:44:18

Product Information

Sodium carbonate, anhydrous Na2CO3

Alias: soda ash

Relativemolecular Weight:105.99

Properties:White powder.Gradually absorbmoisture in the air to become monohydrate.The relative density of 2.532.400 ° C began todecompose.Melting at 851 ° C.Soluble in water, insoluble in ethanol.The aqueous solution isbasic.

Product standards NO: GB/T 639-2008

Specifications: Content and content of impurities in %

Test Items	AR	CP
Content	99.8	99.8
Clarity test	Qualified	Qualified
Water insoluble matter	0.01	0.02
Loss on drying	1.0	1.0
Chloride（Cl）	0.002	0.005
Sulfur compounds（以SO4计）	0.005	0.01
Nitrogen compound（以N计）	0.001	0.002
Phosphatesand silicates （以SiO3计）	0.006	0.013
Magnesium（Mg）	0.002	0.005
Aluminum（Al）	0.003	0.01
Potassium（K）	0.005	0.02
Calcium（Ca）	0.01	0.02
Iron（Fe）	0.0005	0.001
Heavy metals（以Pb）	0.0005	0.001

Usage:Use for analyzing the reagents, suchas as the benchmark reagents,Dissolve sample flux,Precipitants, buffers, SampleVolatile Additives in Emission Spectrometry Analyzing.Also used in thepreparation of sodium, sodium glass and film printing.

ExportGrade AP/CP Grade sodium carbonate

Last：Sodium bicarbonate