| Test item | Index | |||||
| Class I | Class Ⅱ | |||||
| Solid | Liquid | Solid | Liquid | |||
| Grade A | Qualified Product | Grade A | Qualified Product | |||
| Al2O3 | ≥16.0% | ≥7.0% | ≥15.8% | 0.156 | 0.06 | ≥6.0% |
| Fe w/% | ≤0.0050 | ≤0.0025 | ≤0.30 | ≤0.50 | ≤0.25 | ≤0.50 |
| Water insoluble matter w/% | ≤0.10 | ≤0.05 | ≤0.10 | ≤0,2 | ≤0.05 | ≤0.10 |
| PH | ≥3.0 | 2.0-4.0 | ≥3.0 | 2.0-4.0 | ||
| Testing Conclusion | Judge product grade based on test results | |||||
Non ferric alum powder, derived from aluminum sulfate, is a versatile non-ferrous compound widely utilized in various industrial applications due to its distinct properties. Unlike ferrous metals, non-ferric alum does not contain iron, making it resistant to rust and corrosion. Its primary uses include water treatment for purification, fabric dyeing as a dye fixer, and papermaking to enhance paper quality. Additionally, non-ferric alum powder serves crucial roles in the food industry as a thickener and emulsifier and in the medical field for its coagulating properties. The compound's unique characteristics and diverse applications of this aluminum sulfate bulk highlight the importance in both industrial and everyday processes.
Ferric alum and non-ferric alum, both forms of aluminum sulfate, differ primarily in their manufacturing processes and chemical compositions. Ferric alum is produced from bauxite and contains ferric ions, which impart distinct properties, while non-ferric alum, derived from aluminum trihydrate, is a purer form of ammonium sulfate, free of ferric ions. This fundamental difference in raw materials and ion content influences their applications, with non-ferric alum often preferred for its higher purity in industries such as water treatment and paper production.
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