Description
What is Sodium Sulphide (Red Flakes)?
Sodium Sulphide (Na₂S) is an inorganic compound typically supplied as reddish to yellow flakes, formed due to slight oxidation. It is highly soluble in water and acts as a powerful reducing agent and sulfidising reagent.
In mining, sodium sulphide is commonly used to:
- Convert metal oxides into sulphides
- Enhance flotation of copper, lead, zinc and gold bearing ores
- Improve recovery rates in complex ore bodies
Main Benefits
- Strong sulfidising agent for flotation processes
- Improves recovery of oxidised and mixed ores
- High solubility for fast reaction
- Multi-purpose use across industries
- Cost effective reagent for mineral processing
- Consistent quality and performance
Technical Specifications
| Property | Specification / Range |
|---|---|
| Chemical Name | Sodium Sulphide |
| Chemical Formula | Na₂S |
| Appearance | Red to yellow flakes |
| Na₂S Content | 60% – 70% |
| Fe Content | ≤ 0.15% |
| Water Insoluble Matter | ≤ 0.5% |
| Solubility | Fully soluble in water |
| pH (solution) | Strongly alkaline (≥ 12) |
| Odour | Characteristic sulphide odour |
| Packaging | 25 kg bags |
Packaging & Supply
| Feature | Details |
|---|---|
| Gross Weight | 25 kg per bag |
| Bag Type | Sealed, moisture-resistant |
| Availability | In stock in Kampala |
| Delivery | Nationwide across Uganda |
| Storage | Cool, dry, ventilated area |
Major Applications
1. Mineral Processing & Flotation (Primary Use)
Sodium sulphide is extensively used in ore beneficiation:
- Sulfidisation of oxidised ores
- Activation of minerals for flotation
- Recovery of copper, lead, zinc, and gold ores
- Treatment of refractory and complex ore systems
2. Gold Processing (Supporting Role)
- Improves flotation of gold-bearing sulphide ores
- Assists in pre-treatment stages
- Enhances downstream recovery efficiency
3. Leather Industry
- Dehairing agent in hide processing
- Improves efficiency in tanning operations
4. Water & Waste Treatment
- Removal of heavy metals through precipitation
- Reduction of oxidising agents
5. Chemical Manufacturing
- Production of sulphur dyes
- Intermediate in various chemical processes
Application Guidance
In Mineral Flotation
| Step | Guidance |
|---|---|
| Preparation | Dissolve flakes in water to form solution |
| Dosage | Typically 0.5 – 3 kg/tonne ore (varies by ore type) |
| Conditioning | Add during slurry conditioning stage |
| pH Control | Maintain alkaline conditions |
| Flotation | Follow with collectors and frothers |
Best Practice Tips
- Prepare fresh solutions for best performance
- Avoid prolonged exposure to air (oxidation reduces effectiveness)
- Optimise dosage through laboratory testing
- Store in airtight conditions to prevent moisture absorption
⚠️ Safety & Handling
Sodium sulphide is a hazardous chemical and must be handled carefully:
- Can release hydrogen sulphide gas (H₂S) when in contact with acids
- Use only in well-ventilated areas
- Wear appropriate PPE (gloves, goggles, respirator where required)
- Store away from acids and moisture
raeK Chemicals Limited provides guidance on safe handling and storage.
Why Choose raeK Chemicals Limited?
- Competitive pricing in Kampala and across Uganda
- Reliable supply of industrial-grade chemicals
- Consistent quality for mining and industrial use
- Technical support for application optimisation
- Fast and dependable nationwide delivery
Ordering & Delivery
We supply Sodium Sulphide (Red Flakes) in 25 kg bags, ready for immediate dispatch.
- Available in Kampala
- Nationwide delivery across Uganda
- Bulk supply options available
Get a Quote Today
Contact raeK Chemicals Limited for the best prices on Sodium Sulphide (Red Flakes) in Uganda. Improve your flotation efficiency and industrial processing performance with a trusted, high quality reagent.
