Sodium sulphate

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Specification

Synonyms: Sodium sulfate anhydrous, sodium sulfate, sodium sulfate anhydrous

Chemical formula: Na2SO4

International name: SODIUM SULPHATE (anhydrous)

CAS No: 7757 - 82 - 6

Appearance: colorless crystalline powder, a mass of white color

Packing: bags of 25 kg

Storage: Store in a dry, well-ventilated area

Sodium sulfate (anhydrous sodium sulfate) - a colorless crystalline powder was crystallized from aqueous solutions above 32,384 ° C. Poorly soluble in aqueous-alcoholic media; the solubility at 20 ° C in ethanol, 0.439% by weight methanol, 2.40%. With potassium sulfate K2SO4, Li2SO4, lithium sulfate and close al. To form a continuous series of solid solutions with sulphates and Y-Sc double salts, strontium sulfate SrSO4

- Eutectic.

Receiving
Sodium sulfate (sodium sulfate) occurs naturally in the form of mineral thenardite Na2SO4, mirabilite (Glauber's salt) Na2SO4.10H2O, part of the astrahonita Na2Mg (SO4) 2.4H2O, vanthoffite Na6Mg (SO4) 4 glauberita Na2Ca (SO4) 2, etc. . Mirabilite isolated from natural deposits, the brine from salt lakes and dried at 100C °. Chemical plants sodium sulfate obtained as a byproduct in the production of hydrochloric acid, compounds of Cr, waste sulfate liquor in the production of artificial fibers in steel mills, etc.

Application
Sodium sulfate (sodium sulfate) is used
• pulp and paper,
• chemical,
• glass industry;
• for the production of synthetic detergents and others.

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