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1. Bases Information
Chemical name: Sodium sulfate, anhydrous
Molecular formula: Na2SO4
Purity: 99% min
CAS No.: 7757-82-6
EINECS No: 231-820-9
H. S. Code: 2833 1100
Solubility: Soluble in water and glycerin, insolubled in ethanol.
Appearance: White monoclinic crystal or powder
2. Applications:
Used in medicine as salting-out agent, flocculating agent, also used in papermaking, glass, printing and dyeing, synthetic fiber, leather and other industries.
1. Chemical raw materials: Used in the manufacture of sodium sulfide, sodium silicate, synthetic detergent filler; Used as cooking agent in the manufacture of kraft pulp.
2. Used as salting-out agent, flocculating agent, mordant, dehydrating agent, caramel processing agents, food coloring diluent.
3. Used as analytical reagent, food processing aids.
4. Used in the deployment of Vinylon coagulating bath,; Used as laxatives in the pharmaceutical industry.
5. Also used in non-ferrous metallurgy, leather, etc.
3. Usage
Mainly used for making the sodium silicate, glass, ceramic glaze, pulp, refrigeration mixture, detergent, desiccant, dye diluent, analytical chemistry reagents, pharmaceuticals, etc.
4. Package:
25kg/bag, 50kg/bag, PP bag with PE film liner or 1000kg jumbo bag.
| Sodium Sulfate Standard GB/T6009-2003 |
|
| |
| Technical Index |
|
| Item |
Standard |
|
| sodium sulphate % (Na2SO4) ≥ |
99.3 |
99.0 |
98.0 |
97.0 |
95.0 |
92.0 |
|
| water insolubles % ≤ |
0.05 |
0.05 |
0.10 |
0.20 |
1.00 |
|
|
| Mg,% ≤ |
0.10 |
0.15 |
0.30 |
0.40 |
0.60 |
|
|
| chlorides %(Cl) ≤ |
0.12 |
0.35 |
0.70 |
0.90 |
1.50 |
|
|
| iron %(Fe) ≤ |
0.002 |
0.002 |
0.010 |
0.040 |
|
|
|
| moisture % ≤ |
0.1 |
0.2 |
0.5 |
1.0 |
1.5 |
|
|
| whiteness (R457) % ≥ |
85.0 |
82.0 |
82.0 |
|
|
|
|
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