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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 | | | | |