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20 Metric Ton |
Negotiable |
Sodium sulfite 96% Sodium sulfite Sodium sulfite anhydrous
Why choose Rongda:
--Manufacturer of anhydrous sodium sulfite since 2004.
--One of leading chamicals export and import in China.
--Large storage and work with many brother manufacturers
--Total solution for chemicals in China, more products are upgrade
--ISO9001 is approval with high quality.
--Rongda is one of big exporters in China, your reliable partner.
We welcome you visit our factory at any time! !
Water treatment 96% sodium sulfite in sulphate sodium sulfite anhydrous
Sodium sulfite anhydrous(SSA),we have our own invested and cooperative facilities,and also represent some other renowned supplier.
Sodium Sulfite
1.Purity:96%,97%
2.CAS no.:7757-83-7
3.MF:Na2SO3
4.White crytal powder
5.Usage
(1) Industry Grade : Used in Dyeing and printing Industry , as dechlorinating agent and bleaching agent, in leather and tanning industry as bleaching agent , developer agent , reductant agent , stabilizer agent , or used in papermaking, electronic and water treatment industry.
(2) Food Grade: In food industry as additive (E223) preservative, antioxidant and antimicrobic for fruits (dried, glazed and candled), vegetables (onions, potatoes, etc.), juices (citrus and grapes) and fish (shrimps and prawns). In silage treatment as anti-fermentative. In starch and sweeteners production as bacteriostatic.
(3) Photo Grade: In the photographic industry as component of developer bath.
(4) Pharmaceutical Grade: pharmaceutical industry for the production of chloroform, benzene and formaldehyde phenylpropanoid Sulfone.
6. Storage
Sodium sulfite should be stored in a dry and cool place.
7. Package
Sodium sulfite is packed in net weight 25kg plastic woven bag with plastic inner bag.
25tons/20'FCL.
Specification for Industry Grade and Food Grade:
Item |
Quality Index |
|
Industry Grade |
Food Grade |
|
Purity ( As Na2SO3) |
96.0% min |
98.0% min |
Sodium sulphate ( SO4) |
2.0% max |
1.2% max |
Chlorides ( As NaCL) |
0.5% max |
0.08% max |
Arsenic ( As ) |
- |
0.0002% max |
Heavy metals ( As Pb ) |
- |
0.0005% max |
Iron (Fe) |
0.005% max |
0.003% max |
Water insoluble |
0.05% max |
0.01% max |
Rongda Chemical Co.,Ltd is an export-oriented enterprise specialized in producing and marketing zinc-based chemical material.
Our company manufacture Sodium bisulfite by ourselves and could deliver fastly.
Remark
Caution for transportation and storage:
1. This product shall be stored in the ventilate and dry place, against rain, heated and issolation under sunlight
2. This product shall not be delivered or stored together with strong reducing agent foods, feed and additives
3. Please keep it safely
CAS NO:7758-99-8
CAS NO:7772-98-7
CAS NO:149-44-0
CAS NO:7681-57-4
CAS NO:149-44-0
CAS NO:7757-83-7
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