Zibo Dingqi Chemicals Co., Ltd. is one of the most experienced manufacturers and suppliers of aluminum sulfate18-hyfrate in China. Welcome to wholesale high quality aluminum sulfate18-hyfrate made in China here from our factory. For price consultation, contact us.
18-Hydrate Aluminum Sulfate Content Indicators
The content indicators of 18-hydrate aluminum sulfate (Al₂(SO₄)₃·18H₂O) mainly include:
- Aluminum Sulfate Content: Typically required to be ≥95%.
- Aluminum Oxide (Al₂O₃) Content: Approximately 15.3%-17.0%.
- Iron (Fe) Content: ≤0.01%.
- Water Insolubles: ≤0.1%.
- pH Value (1% aqueous solution): 2.5-4.0.
Specific Applications
Water Treatment:
- Coagulant: Used in drinking water and wastewater treatment to remove suspended solids and colloids.
- Phosphorus Removal: Reacts with phosphates to form precipitates, reducing phosphorus levels in water bodies.
Paper Industry:
- Sizing Agent: Enhances the water resistance and strength of paper.
- Filler Retention Agent: Helps bind fillers and fibers, reducing loss.
Textile Industry:
- Mordant: Fixes dyes during the dyeing process, improving color fastness.
- Color Fixing Agent: Strengthens the bond between dyes and fibers.
Cosmetics:
- Astringent: Used in antiperspirants and deodorants to shrink pores and reduce sweat secretion.
Other Applications:
- Fire Extinguishing Agent: Used in foam fire extinguishing systems.
- Soil Conditioner: Adjusts soil pH and improves structure.
Precautions
- Storage: Should be kept dry to avoid clumping.
- Usage: Adjust the dosage according to specific needs; excessive use may affect efficacy or cause side effects.
Summary
18-hydrate aluminum sulfate is widely used in water treatment, papermaking, textiles, and other fields. Attention should be paid to its content indicators and storage conditions during use.
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