Aluminium Sulphate Hydrous Extra Pure is a high-purity, hydrated crystalline compound widely used in laboratory, analytical, water treatment, and industrial applications requiring reliable performance with minimal impurities. It acts as an effective coagulant, reagent, and intermediate in various chemical processes.
Chemical Details:
- Chemical Name: Aluminium Sulphate Hydrous
- Other Names: Aluminium sulphate, alum
- Chemical Formula: Al₂(SO₄)₃ · xH₂O
- Molecular Weight: Varies with hydration (commonly ~594 g/mol for octadecahydrate)
- Purity: Extra Pure grade (>99%)
- Appearance: White crystalline solid or granules
- Odour: Odourless
- Solubility: Soluble in water, insoluble in alcohol
- pH (1% solution): Approximately 3.0 – 3.5
Key Features:
- Extra pure grade ensuring minimal contamination for analytical and laboratory use
- Hydrated crystalline form with high water solubility
- Effective coagulating and flocculating agent
- Stable under recommended storage conditions
Applications:
- Laboratory use: As a reagent in analytical chemistry, qualitative analysis, and sample preparation
- Water treatment: Acts as a coagulant for removing suspended particles, turbidity, and impurities in drinking and wastewater treatment
- Paper industry: Used as a sizing agent to improve paper quality and ink absorption
- Textile industry: Functions as a mordant in dyeing and printing processes
- Chemical manufacturing: Intermediate in the production of aluminium-based compounds
- Construction: Employed as a waterproofing agent in concrete formulations
Benefits:
- Ensures consistent and reliable results in laboratory analyses
- Enhances water clarity and purification efficiency in treatment processes
- Improves paper strength, quality, and dye fixation in manufacturing
- Provides high purity with minimal impurities, ideal for sensitive applications
How to Use:
- Dissolve in water according to laboratory protocols or industrial process requirements.
- For water treatment, dose based on system design and turbidity levels under standard operating procedures.
Safety Precautions:
- Avoid inhalation of dust and direct contact with skin and eyes.
- Use personal protective equipment (PPE) including gloves, dust masks, and protective eyewear.
- Store in a cool, dry place away from moisture and incompatible materials such as strong bases.
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