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Sodium carbonate

Category:health products and pharmaceuticals intermediates series/sodium salt series
CAS No.: 497-19-8
Molecular formula:Na2CO3
Molecular weight:105.99
Property:Colorless transparent crystal, easily weathered, easy of soluble in water, not soluble in ethyl alcohol, water solvent was strongly alkaline white powder.
Technical indicators:

No.

Testing item

Analytically pure

Chemically pure

1

Content(Na2CO3),%

≥99.8

≥99.8

2

Clarity Test

Qualified

Qualified

3

Water insoluble,%

≤0.01

≤0.02

4

Loss on dry,(300?)%

≤1.0

≤1.0

5

Chloride(Cl),%

≤0.002

≤0.005

6

Sulfur compounds( SO4 ),%

≤0.005

≤0.01

7

Nitrogen compounds( N ),%

≤0.001

≤0.002

8

Phosphate and Silicate(SiO3 ),%

≤0.006

≤0.013

9

(Mg),%

≤0.002

≤0.005

10

(Al),%

≤0.003

≤0.01

11

(K),%

≤0.005

≤0.02

12

(Ca),%

≤0.01

≤0.02

13

(Fe),%

≤0.0005

≤0.001

14

Heavy metal(Pb),%

≤0.0005

≤0.001

 

Use:Used as analytical reagents, such as a base reagent, decomposition of the sample flux, precipitant, buffer, emission spectrometry sample volatile agent. Preparation of sodium salt, sodium glass and film printed wash.
Packaging:25kg woven bag,lined with double plastic bag(or according to customers' requirements)
Note:When store and transport please avoid fire, rain, broken and pollution.