About Aluminium Sulphate AR
ALUMINIUM SULPHATE AR
Specifications:
| Synonym: | Alum |
| Cas no: | 7784-31-8 |
| Molecular formula: | Al2(SO4)316H2O |
| Molecular weight: | 630.38 |
| Description: | White crystalline powder |
| Specifications |
| Solubility: | Very soluble in water, insoluble in ethanol |
| Identification: | Aluminium =+ve & sulphate =+ve |
| Water insoluble matter: | Max. 0.005% |
Appearance of solution:
| - Dissolve 50 gm in carbon dioxide free water to produce 500 ml.
- The solution in colourless and not more than slight turbid.
|
| Ph of 5% solution: | 2.5-4.0 |
| Chloride: | Max. 0.001% |
| Ammonium: | Max. 0.02% |
| Copper: | Max. 0.0002 % |
| Iron: | Max 0.004% |
| Lead: | Max. 0.001% |
| Potassium: | Max 0.005% |
| Sodium: | Max. 0.02 % |
| Assay: | Min 98 0% |
Superior Solubility for Laboratory and Industrial UseAluminium Sulphate AR stands out due to its excellent solubility in water, making it ideal for applications where quick and uniform dissolution is critical. Its reactivity with alkali and acidic pH makes it suitable for analytical, industrial, and research purposes including water purification, paper manufacturing, and dye fixation.
Safe Packaging and Reliable Shelf LifeThis product is carefully packaged in tightly sealed containers to prevent contamination and preserve its purity, ensuring a minimum shelf life of two years when stored as recommended. The compounds crystalline form enhances its stability and handling convenience for distributors, manufacturers, and end-users alike.
FAQs of Aluminium Sulphate AR:
Q: How should Aluminium Sulphate AR be stored to maintain its quality?
A: To preserve its 98% purity and extend shelf life, Aluminium Sulphate AR should be kept in a tightly closed container in a cool, dry place away from moisture and alkalies, ensuring stability for at least two years.
Q: What are the typical uses and benefits of Aluminium Sulphate AR?
A: Aluminium Sulphate AR is widely used in laboratories for analytical purposes, water treatment, and industrial processes such as paper manufacturing. Its high solubility, astringent properties, and purity make it ideal for precise chemical analyses and effective coagulation.
Q: Where is Aluminium Sulphate AR commonly applied in India?
A: In India, this compound is extensively utilized by laboratories, water treatment facilities, paper mills, and textile industries, and is distributed by manufacturers, retailers, suppliers, and wholesalers across the country.
Q: What is the process for dissolving Aluminium Sulphate AR in water?
A: Simply add the crystalline powder or granules to water and stir; its high solubility ensures rapid dissolution. Do not mix with alcohol, as the compound is insoluble in alcohol.
Q: When should Aluminium Sulphate AR be replaced or disposed of?
A: Replace Aluminium Sulphate AR if it shows signs of degradation, contamination, or has surpassed its two-year recommended shelf life for reliable analytical results.
Q: How does the acidic nature of Aluminium Sulphate AR affect its usage?
A: Its acidic pH (~2.9 for a 5% aqueous solution) enhances its effectiveness in coagulation processes and pH adjustments in various industrial operations, but it should be handled with suitable protective measures.