Name：

Sodium Sulfite

Chemical formula：

Physical appearance：

White crystalline powder.

Quality standard：

HG/T 2967-2000

Description：

Sodium Sulphite, Sodium Sulfite, Na2SO3, Sodium hydrogen sulfite, Paper sulfite

Application:

1>Bleaching agent for paper pulps ;

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 place；avoid 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                                               <0.002%         <0.005%              <0.005%

WATERINSOLUBLE MATTER        <0.02%           <0.05%                <0.05%

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

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

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