Sodium Hydrogen Sulfite
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Sodium Hydrogen Sulfite

Sodium Hydrogen Sulfite
Synonyms: sodium acid sulfite, sodium meta bisulphate.

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Product Description

Sodium Hydrogen Sulfite


Synonyms: sodium acid sulfite, sodium meta bisulphate.


     

 1.  Features


(1) It is white monoclinic crystal powder with the characteristics as following : having sulfur dioxide smell, relative density 1.49, easy to dissolve to water, easy to resolve when heated, slightly dissolve to ethanol, acidic aqueous solution.

(2) It has strong reduction, and easy to be oxy-genated or lose sulfur dioxide in the air.

(3) This product usually contains disodium disulfite with all kinds of proportion.


2.  Application


(1) Mainly used to restore chrome contained wastewater of industrial electroplating sewage and come to the purpose of getting rid of chrome. Also used for the oil field wastewater treatment.

(2) Used as the deoxidizer and bleacher in printing & dyeing industry and used to various kinds cotton fabric boil and refine, can prevent the cotton fiber partial oxidized and influence fiber strength, and can improve the whiteness of boiled refined things.


3. Quality Specification


Executive Standard HG/T 3814-2006



Item

Index

Appearance

white or light yellow powder or granule

Main content  Na2SO3),% ≥

99

IronFe) ,%≤

0.005

water insoluble %≤

0.05


It is suitable for treatment of chrome contained wastewater with higher density .Its removal rate can come up to 99% at its most suitable ph valve 2.


It won't introduce other ions that may cause secondary pollution when used for treatment of toxic heavy metal wastewater.



4. Recommended Brand


Qingyuan


5. How to Use


6. Packing, Storage and transportation.


Packed with 25 kgs woven bag.


It has character of corrosivity. Should be stored in a cool, dry and ventilate place, it will keep good for 6 months.






Q1: Are you a manufacture or trader?
A1: We are a manufacturer in China, located in Shenzhen, Guangdong.

Q2: May I have a sample order?
A2: Yes, free sample is welcome to test quality. Please feel free to contact us/leave a message with your contact information. Sample is free, only delivery fee needs to be paid.

Q3: What is your acceptable payment term?
A3: L/C, T/T and etc.

Q4: How about the validity of the offer?
A4: Usually our offer is valid for 1 week. However, validity might vary between different products. Keep in touch with sales to find out the latest price.

Q5: What documents you provide?
A5: Usually, we provide Commercial Invoice, Packing List, bill of loading, COA, SGS, MSDS and Origin certificate. Please let us know if you need additional documents.

Q6: What is loading port?
A6: Usually loading port is Shenzhen port, we also can ship from Shanghai, Qingdao or any main port in China if you need.


Q7: What’s the package of the cargoes? 

A7: 50kg/25kg woven bags, within plastic bags, or as customized.




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