Strongly Basic Anion Exchange Resin for Precious Metal Extraction
Model: Strong Base Anion (Precious Metal) | Category: Ion Exchange Resin
Quaternary ammonium base [-N(CH₃)₃] strongly basic anion exchange resin with a unique pore distribution suited to precious metal extraction.
Product Specifications
| Strong Base Group Exchange Capacity (mmol/g, dry) | ≥ 3.5 |
|---|---|
| Volume Exchange Capacity (mmol/ml) | ≥ 1.3 |
| Moisture Content (%) | 43 - 55 |
| Apparent Specific Gravity (Wet, g/ml) | 0.66 - 0.73 |
| True Specific Gravity (Wet, g/ml) | 1.05 - 1.12 |
| Particle Size Range (0.8-1.40 mm) | ≥ 95 % |
| Average Pore Diameter | 4 - 5 nm |
| Form Change Expansion | ≤ 25 |
| Sphericity after Grinding | ≥ 90 |
| pH Range | 1 - 14 |
| Max. Use Temp. | OH⁻ form ≤ 40°C, Cl⁻ form ≤ 80°C |
Application Fields
Extraction of precious metals; also pure water preparation and wastewater treatment.
Key Benefits
- High working exchange capacity, easy elution and regeneration
- Low alkali consumption during elution and regeneration
- Strong anti-permeation ability; works in acidic, neutral and even alkaline media