Factory Supplied China Good Quality Gas / So2 Sulfur Dioxide
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- Supplier: Zibo Dijia Special Gas Co. Ltd.
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Product Overview
Description
Product Description
item | value |
Model | Sulfur dioxide |
Molecular Formula | SO2 |
Filling rate | 1.25 |
UN No. | UN1079 |
CAS No. | 7446-09-5 |
EINECS No. | 231-195-2 |
Hazardous class for transport | 2.3 |
Transportation Label | Nonflammable Gas |
Specification
Item | Standard(GB/T3637-2021) |
SO2 (%) | ≥99.9%min |
Residue | ≤0.04 |
H2O | ≤0.06 |
As | ≤0.000004 |
Application
1.Precursor to sulfuric acid
Sulfur dioxide is an intermediate in the production of sulfuric acid, being converted to sulfur trioxide, and then to oleum, which
is made into sulfuric acid. Sulfur dioxide for this purpose is made when sulfur combines with oxygen. The method of converting
sulfur dioxide to sulfuric acid is called the contact process.
2.As a preservative
Sulfur dioxide is sometimes used as a preservative for dried apricots, dried figs, and other dried fruits owing to its
antimicrobial properties, and it is sometimes calledE220 when used in this way. As a preservative, it maintains the colorful
appearance of the fruit and prevents rotting. It is also added to sulfured molasses.
3.In winemaking
Sulfur dioxide is an important compound in winemaking, and is designated as parts per million in wine.
Sulfur dioxide exists in wine in free and bound forms, and the combinations are referred to as total SO2.
4.As a refrigerant
Being easily condensed and possessing a high heat of evaporation, sulfur dioxide is a candidate material for refrigerants.
Sulfur dioxide is an intermediate in the production of sulfuric acid, being converted to sulfur trioxide, and then to oleum, which
is made into sulfuric acid. Sulfur dioxide for this purpose is made when sulfur combines with oxygen. The method of converting
sulfur dioxide to sulfuric acid is called the contact process.
2.As a preservative
Sulfur dioxide is sometimes used as a preservative for dried apricots, dried figs, and other dried fruits owing to its
antimicrobial properties, and it is sometimes calledE220 when used in this way. As a preservative, it maintains the colorful
appearance of the fruit and prevents rotting. It is also added to sulfured molasses.
3.In winemaking
Sulfur dioxide is an important compound in winemaking, and is designated as parts per million in wine.
Sulfur dioxide exists in wine in free and bound forms, and the combinations are referred to as total SO2.
4.As a refrigerant
Being easily condensed and possessing a high heat of evaporation, sulfur dioxide is a candidate material for refrigerants.
Packing & Delivery
To better ensure the safety of your goods, professional, environmentally friendly, convenient and efficient packaging services will be provided.
Company Profile
Exhibition
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FAQ
1.Are you a factory or a trading company?
We are a manufacturer and trade integration company.
2.What is the min order?
Different products have different min order. It's depends on the kind of gas and the cylinder specifications. Please feel free to contact with us directly for your requirement.
3.How long is your delivery time?
Within 30 days after payment is done. We can arrange immediately delivery if we have stock.
4.How to ensure transportation safety?
Don't worry. We have rich gases export and delivery experience. We will rely on professional gas packaging and transportation to ensure safety.
5.What is the package&storage details?
Seamless steel cylinder with different valves, or as to your requirements.Stored in shady,cool,dry,ventilated warehouse,and keep away from sunlight and ramming.
6.If the cylinder recycled and can be refill gas again?
Yes. Usually the seamless cylinder can recycle to use for 30 years, and also can be refill gas again. But before exporting , you have to inform us, we will handle all the import customs clearance formalities.
We are a manufacturer and trade integration company.
2.What is the min order?
Different products have different min order. It's depends on the kind of gas and the cylinder specifications. Please feel free to contact with us directly for your requirement.
3.How long is your delivery time?
Within 30 days after payment is done. We can arrange immediately delivery if we have stock.
4.How to ensure transportation safety?
Don't worry. We have rich gases export and delivery experience. We will rely on professional gas packaging and transportation to ensure safety.
5.What is the package&storage details?
Seamless steel cylinder with different valves, or as to your requirements.Stored in shady,cool,dry,ventilated warehouse,and keep away from sunlight and ramming.
6.If the cylinder recycled and can be refill gas again?
Yes. Usually the seamless cylinder can recycle to use for 30 years, and also can be refill gas again. But before exporting , you have to inform us, we will handle all the import customs clearance formalities.
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