SODIUM SULPHATE ANHYDROUS Extra Pure
Confirming to BP, USP
Article No. | Grade | Purity | CAS No. | Molecular Formula | Molecular Weight | H.S. Code | Shelf Life |
---|---|---|---|---|---|---|---|
SC1826 | Extra Pure | 99% | 7757-82-6 | Na2SO4 | 142.04 | 2833.1100 | 60 Months |
Packings
500 g,1000 g,5000 g,25 Kg,50 Kg |
Physical Properties
Physical state at 20 °C | Solid |
Colour | White crystalline |
Odour | Odorless |
pH value | 5.2 - 8 at 50 g/l at 20 °C |
Melting point/ Freezing point [°C] | 884 °C |
Boiling point [°C] | 1100°C |
Density [g/cm3] | 2.68 |
Solubility in water [% weight] | Soluble in water |
Specifications
Appearance | A white crystalline powder |
Assay (Titration after Ion exchange) | 99 - 100.5% |
Identity | Passes test |
Appearance of solution | Passes test |
Acidity or alkalinity | Passes test |
pH (5% solution in water) | 5.2 - 8.0 |
Chloride (Cl) | Max 0.02% |
Heavy metal (as Pb) | Max 0.001% |
Arsenic (As) | Max 0.0003% |
Calcium (Ca) | Max 0.005% |
Iron (Fe) | Max 0.001% |
Magnesium (Mg) | Max 0.001% |
Loss on drying (at 130°C) | Max 0.5% |
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