Product Features
- High Selectivity - Excellent selective collection for rare earth, tin, and tungsten oxide minerals
- Strong Collecting Power - Effective for refractory oxide ores with high recovery rates
- Wide pH Range - Performs well across broad pH conditions (pH 6-9)
- Low Dosage - Cost-effective with excellent performance at 50-200g/t
- Low Toxicity - More environmentally friendly than traditional collectors
Applications
Rare Earth Ores
Bastnaesite, monazite, ion-adsorption ores
Tin Stone (Cassiterite)
Primary collector for cassiterite flotation
Tungsten Ores
Wolframite and scheelite concentration
Other Oxide Ores
Copper oxide, lead oxide, zinc oxide minerals
Product Specifications
| Test Item | Specification |
|---|---|
| Product Name | Hydroxamic Acid (Alkyl Hydroxamate) |
| Active Content | ≥95% |
| Appearance | White to light yellow powder |
| Solubility | Soluble in alkaline water, ethanol |
| pH (1% solution) | 7-9 |
| Melting Point | 85-95°C |
| Packaging | 25kg bags or 500kg drums |
| Shelf Life | 24 months in dry conditions |
Recommended Dosage
Rare Earth Ores: 100-300g/t ore
Tin Ores: 150-400g/t ore
Tungsten Ores: 200-500g/t ore
* Optimal dosage determined by flotation tests
Usage Instructions
Preparation: Prepare 1-5% solution with alkaline water
pH Range: 6.0-9.0 (optimal: 7.5-8.5)
Temperature: 15-35°C
Addition Point: Add to conditioning tank before flotation
* May be used with diesel oil or kerosene as assistant collector
Key Advantages
High Selectivity
Excellent rare earth vs. gangue separation
High Recovery
85-95% REO recovery in pilot tests
Eco-Friendly
Low toxicity, biodegradable
Proven Technology
Widely used in rare earth plants