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Sodium Sulfite
Anhydrous Sodium Sulfite – Powerful Reducing Agent & Deoxidizer for Water Treatment & Industrial Applications
- Overview
- Recommended Products
●Water Treatment: Used for dechlorination in water treatment processes, as well as for removing heavy metal ions from wastewater.
●Textile Industry: Serve as a bleaching agent for textiles, enhancing product whiteness.
●Paper Industry: Act as a bleaching agent in paper whitening processes to improve paper whiteness, and as a deinking agent in the deinking process of waste paper recycling.
●Waste Gas Treatment: Used to remove sulfur dioxide from exhaust gases, reducing pollution.
| ITEM | INDEX | |||
| Superior Grade | First Grade | Qualified Grade | ||
| Sodium sulfite(Na₂SO₃),ɯ/% | ≥ | 97.0 | 93.0 | 90.0 |
| Iron (Fe),ɯ/% | ≤ | 0.003 | 0.005 | 0.02 |
| Water insoluble matter,ɯ/% | ≤ | 0.02 | 0.03 | 0.05 |
| Free alkali(in Na₂CO₃),ɯ/% | ≤ | 0.10 | 0.40 | 0.80 |
| sulfate(in Na₂SO₄),ɯ/% | ≤ | 2.5 | / | / |
| chloride(in NaCl),ɯ/% | ≤ | 0.10 | / | / |
FAQ
Q: Are you a factory or a trading company?
A: We are a factory with our own production lines. And we cooperate with several chemical factories, and can provide one - stop purchasing services.
Q: Can I visit the factory?
A: Yes, you are warmly welcome.
Q: What is the Minimum Order Quantity (MOQ)?
A: The MOQ for standard products is 1 FCL (Full Container Load), and we can provide 500g samples for free. For customized products, it will be adjusted according to the formula. Please consult our sales representatives for details.
Q: Can you provide customized packaging?
A: We support various customized packaging, such as ton bags, moisture - proof vacuum packaging, labeled packaging, etc. Additional packaging fees will be calculated according to the actual cost.
Q: What are the payment methods?
A: We accept T/T (50% advance payment + the balance according to the contract agreement), L/C (only from well - known banks, sight and irrevocable), and Alibaba Credit Insurance Orders.
Q: How long is the production cycle of an order?
A: After the advance payment is received, it will take about 3 - 20 days depending on the order quantity.
Q: What are the transportation methods?
A: We support sea freight, air freight, and international express delivery. Real - time logistics tracking will be provided.
Q: Can I appoint a freight forwarder company?
A: We support customers in appointing freight forwarders, but they need to have the qualification for chemical transportation. It is recommended to use our professional cooperative freight forwarders.
