Nameï¼ | Sodium Sulfite |
Chemical formulaï¼ | Na2SO3 |
sical appearanceï¼ | White crystaler. |
Quality standardï¼ | HG/T 2967-2000 |
Descriptionï¼ | Sodium Sulte, Sodium SulfiteApplication:1>Bleaching agent for paper pulps ; 2>Waste water treatmentï¼ 3>Reducing and sulnating agent for chemical synthesisÂ ï¼ 4>Bleaching agent for textilesï¼ 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 span> 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 placeï¼avoid sunshine; 2>Water and moisture; 3>Avoid with strong acid,oxidants or poisonous substances; 4>Exposure to moisture will make it oxidze easily to sodium sulte; 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%            ----------             --------- |