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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.
Next: Sodium metasilicate
