| CAS No.: | 7757-83-7 |
|---|---|
| Formula: | Na2so3 |
| EINECS: | 231-821-4 |
| Certification: | CCIC, CIQ, RoHS, ISO |
| Purity: | 90%~99% |
| Type: | Sodium Sulfate |
| Samples: |
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| Customization: |
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Audited Supplier Sodium sulfite is a kind of inorganic substance, chemical formula Na2SO3, common sulfite. It can irritate eyes, skin and mucous membranes and pollute water sources. High thermal decomposition produces toxic sulphide smoke. In industry, it is mainly used for making cellulose sulfite ester, sodium thiosulfate, organic chemicals, bleached fabrics, etc., and also used as reducing agent, preservative, dechlorination agent, etc
All product parameters have been tested by professional authorities!
If you want to know more about the product parameters, please contact us!
Product parameters are the basic indicators of product quality, we can guarantee product quality!
| ITEM | SPECIFICATION | TEST RESULT |
| Na2SO3 content : | 97.0 %min | 97.58% |
| Sodium sulphate : | 2.5%max | 1.30% |
| Sodium chloride (NaCL): | 0.1%max | 0.08% |
| Iron (Fe) : | 30ppm max | 15ppm |
| Water insoluble : | 0.02%max | 0.02% |
| HEAVY METAL AS PB | 10ppm max | 5ppm |
| Free alkali (as Na2CO3) : | 0.10%max | 0.08% |
| Arsenic: | 2ppm max | 1.5ppm |
1. used for the determination of tellurium and niobium trace analysis and the preparation of developer, also used as a reducing agent;
2. for artificial fiber stabilizer fabric bleaching agent photographic developer dye bleaching deoxidizer spice and dye reducing agent papermaking lignin removal agent;
3. Used as general analytical reagent and photosensitive resistance material;
4. Reductive bleach, which has a bleaching effect on food and a strong inhibitory effect on oxidase in plant food, can be used in candied fruit according to the provisions of Our country, the maximum use of 2.0g/kg; It can also be used for glucose liquid glucose sugar caramel candy bamboo shoot mushroom and canned mushroom grape black currant concentrate, the maximum consumption is 0.60g/kg bamboo shoot mushroom and canned mushroom candied grape and black currant concentrate residue (SO2) 0.05g/kg; Potato starch residue 0.03g/kg; The residual amount of vermicellin and other varieties of biscuit sugar was less than 0.1g/kg. The residual amount of liquid glucose shall not exceed 0.2g/kg;
5. Printing and dyeing industry as a deoxidizer and bleaching agent, used for all kinds of cotton fabric cooking, can prevent local oxidation of cotton fiber and affect the fiber strength, and improve the whiteness of the cooking materials photographic industry used as a developer organic industry used as m-phenylenediamine 2, 5-dichloroprazolone anthraquinone - 1-sulfonic acid 1-amino anthraquinone Amino salicylate sodium production of reducing agent, can prevent the oxidation of semi-finished products in the reaction process papermaking industry used as lignin removal agent textile industry used as artificial fiber stabilizer electronics industry used to manufacture photosensitive resistance water treatment industry used for electroplating wastewater drinking water treatment;
6. In the food industry, it is used as bleach agent, preservative, osteoporosis agent, antioxidant, and also used in pharmaceutical synthesis. It is used as reducing agent when producing dehydrated vegetables.
7. Used for preparing cellulose sulfite ester sodium thiosulfate organic chemicals bleached fabrics, etc., also used as reducing agent preservative dechlorination agent, etc.
8. The laboratory is used to prepare sulfur dioxide
Fondland Chemicals Co., Ltd (hereafter referred as FONDLAND) established in 2010, is the leading manufacturer and supplier of Chemicals. FONDLAND founded relying on Shandong Haihua Group with strongest supplying capability and competitive price. Our products were sold to most of the world, including Middle East, Africa, Southeast Asia, North America, South America, Caribbean , Europe etc.
Our mainly products:Sodium carbonate,Sodium bicarbonate,Ammonium bicarbonate,Aluminum sulfate,Calcium chloride,Magnesium chloride,Sodium metabisulfite,Sodium nitrite,Potassium sulfate,Poly aluminium chloride ,Caustic soda ,Phosphoric Acid ,Acetic acid and so on.
We can supply best quality, prompt delivery and professional service.
Besides Chemicals, FONDLAND have our own logistics team and warehouse.
1. Any inquiries will be replied within 24hours
2.Professional chemical raw material supplier,Over 12 years experience of exporting.
3.High quality, reasonable & competitive price, fast lead time.
4.After-sale sevice:
1)All products will have been strictly quality checked in house before paking
2) All products will be well packed before shipping
5.Faster delivery:
To follow orders and arrange shipping in time, providing complete
documentsforCustoms clearance according to different export policies in diferent countries.
. Q: What about your price?
A: We always supply the products with appropriate price,because we believe this is an effective way to build
long - term business with our customers and earn good reputation.
2. Q: What payment terms do you accept?
A: For new customers, we accept 30% T/T in advance,70% balance against copy of shipping docs,L/C at sight;
For old customers, the payment terms can be negotiated accordingly.
3. Q: What about the order lead time?
A: Usually the order lead time is 10-15days after receiving your prepayment.
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