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Name:

Sodium Sulfite

Chemical formula:

Na2SO3

Physical appearance:

White crystalline powder.

Quality standard:

HG/T 2967-2000

Description:

Application:

1>Bleaching agent for paper pulps ;

2>Waste water treatment

3>Reducing and sulphonating agent for chemical synthesis

4>Bleaching agent for textiles

5>Colors stripper and deoxidization ;

6>Floating agent for mining industry;

7>Auxiliary chemical in tanning process .

 

 

Package:

1>25kg/50kg compound plastic woven bag with inner polythene liner ;

2>1000kg Jumbo bags;

3>Any other particular requirements to the package can be discussed.

 

Shelf Life: one year.

 

Storage & handling:

1>Store the product in a cool and dry placeavoid contact sunshine;

2>Water and moisture;

3>Avoid contact with strong acid,oxidants or poisonous substances;

4>Exposure to moisture will make it oxidze easily to sodium sulphate;

5>Not store it for a long time.

 

Product Specification:

ITEM                                        FOOD GRADE  TECH GRADE  TECH GRADE

Na2SO3                                          >97%             >96%                    >93%

FREE ALKALI                               <0.1%            <0.4%                   <0.4%

IRON                                              <0.00%2         <0.005%              <0.005%

WATERINSOLUBLE MATTER     <0.02%           <0.05%                <0.05%

SODIUM SULFATE(Na2SO4)       <2.5%            ---------              ----------

NACL                                              <0.1%            ----------              ---------

 

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