Effective Sodium Metabisulfite Reagent for Pyrite Depression in Complex Sulfide Ores
High purity white powder CAS 7681-57-4 Sodium Metabisulfite for industrial applications.
Product Overview
Sodium Metabisulfite or sodium pyrosulfite (IUPAC spelling; Br. E. sodium metabisulphite or sodium pyrosulphite) is an inorganic compound with chemical formula Na₂S₂O₅. Also referred to as disodium metabisulfite, it serves as a disinfectant, antioxidant, and preservative agent in various industrial processes.
Product Information
| CAS No. | 7681-57-4 |
|---|
| EINECS | 231-673-0 |
|---|
| HS CODE | 2832100000 |
|---|
| Molecular Formula | Na₂S₂O₅ |
|---|
Specifications
Food Grade
| Items | Specifications | Typical Analysis |
|---|
| Colour | White or yellowish | White |
| State | Crystalline powder | Crystalline powder |
| Na₂S₂O₅ | 96.5% Min. | 97.1% |
| Fe | 0.003% Max | 0.0021% |
| Clarity | Passed | Passed |
| As | 1.0 ppm Max | 0.85 ppm |
| Heavy Metal (as Pb) | 5.0 ppm Max | 0.04 ppm |
Industrial Grade
| Items | Specifications | Typical Analysis |
|---|
| Na₂S₂O₅ | 96.5% Min. | 96.83% |
| Fe | 0.003% Max | 0.0006% |
| As | 1.0 ppm Max | 0.8 ppm |
| Heavy Metal (as Pb) | 5.0 ppm Max | 2.0 ppm |
Technical Specification
| Tests | Specification |
|---|
| Appearance | White free-flowing Crystal Powder |
| Purity (Na₂S₂O₅) | 97% min |
| Iron (Fe) | 0.003% min |
| Heavy Metal (Pb) | 5 ppm max |
| Arsenic (As) | 1 ppm max |
| Water Insoluble | 0.05% max |
| PH Value | 4.0-4.6 |
Packing
25kgs/PP PE BAG
Storage and Transportation
Keep in a light-proof, well-closed, dry and cool place.
Company Profile
Y&X Beijing Technology Co., Ltd is a professional metal mine beneficiation solution provider with world-leading solutions for refractory beneficiation. We have extensive successful experience in copper, molybdenum, gold, silver, lead, zinc, nickel, magnesium, scheelite, and other metal mines, rare metal mines such as cobalt, palladium, bismuth, and non-metal mines such as fluorite and phosphorus.
We provide customized beneficiation solutions based on customer ore properties and production conditions, including advanced beneficiation methods and efficient beneficiation reagents to ensure maximum customer benefits.
Since establishment, we have focused on R&D, production, and application of efficient and eco-friendly beneficiation reagents to support green mine construction. Our innovative flotation reagents have enabled previously non-productive mines to achieve industrial production, turning waste into valuable resources.
Our mission is to make all mines in the world processable! This drives our continuous innovation and dedication to overcoming challenges in mineral processing.
Our Product Range
- High-efficiency frothers with superior performance compared to common frothers like terpineol oil and MIBC
- High-efficiency collectors that significantly improve metal recovery rates over traditional collectors
- Pioneering depressants for complex refractory beneficiation of high talc, high carbon, and high fine mud/clay
- Special copper depressants for copper and molybdenum separation operations
- High-efficiency activators and regulators to improve beneficiation indices
- Cost-effective flocculants with extensive mining application experience
Y&X Company provides comprehensive one-stop beneficiation solutions and looks forward to cooperative partnerships for mutual success.
Frequently Asked Questions
Q1. Where is your factory located?
Our factory is in Shandong, China, located in an independent chemical park.
Q2. Can you give me a better price?
We value cooperation with each customer and provide the most favorable pricing.
Q3. How can you guarantee your quality?
We employ fully automated production control to ensure continuity and quality stability. Our strict quality management system covers raw materials, semi-finished products, finished products, and outgoing goods. Quality first is our fundamental principle, and we support customer sample testing.
Q4. When is the delivery time?
Our production capacity: Xanthate: 50,000t/a; Dithiophosphate: 20,000t/a; Frother: 10,000t/a. We maintain inventory of conventional products to ensure timely delivery.
Q5. Which type of shipping would be better?
We accommodate regional requirements with deliveries by sea, air, train, and truck.
Q6. What's the convenient way to pay?
We accept Bank T/T and Paypal. Alternative payment methods are welcome for discussion.
Q7. Can I get a sample?
Yes, we welcome sample requests for testing.
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