Name
Sodium Sulfite
Chemical formula
Na2SO3
Physical appearance
White crystalline powder.
Quality standard
HG/T 2967-2000
Description
Sodium Sulphite, Sodium Sulfite
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 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
Name
Ferrous Sulphate(Hepta)
Chemical formula
FeSO4.7H2O
Physical appearance
Light green crystalline powder
Quality standard
HG2935-2000
Description
Application:
1>Used in feed, preserves, waste water treatment and water purity;
2>Used in disinfection, rubber, leather,washing powder, livestock feed, pencils.
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 ,water and moisture avoid contact with strong acid,oxidants or poisonous substances;
2>Exposure to moisture will make it oxidzeeasily to sodium sulphate, Not store it for a long time .
Product Specification:
ITEM
FeSO4.H2O
FeSO4.7H2O
FeSO4
> 91%
> 98%
IRON
> 30%
> 19.68%
PB
< 0.002%
< 0.002%
AS
< 0.0002%
< 0.0003%
Water Insoluble Matter
Name
Sodium Metabisulphite(SMBS)
Chemical formula
Na2S2O5
Physical appearance
White powder or small crystalline particles.
Quality standard
GB1893-1998
Description
Sodium Metabisulphite, Sodium Metabisulfite, SMBS,E222
Application:
1>Bleaching agent for textile fibres;
2>Colors stripper and dechlorination;
3>Preparation of Indigo Vat Dye;
4>Solubilizing and acidyfing agent for leather industries ;
5>Bleaching agent forpaper pulps;
6>Preservative and sterilisation agent for food industries.
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:
Half one year.
Storage & Handling:
1>Store the product in a cool and dry place;
2>Prevent from direct sunlight,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>Do not store it for long time.
Product Specification:
TECH GRADE FOOD GRADE
NA2S2O5 >96.5% >97.0%
SO2 >65% >65%
FE
Name
Sodium Thiosulfate
Chemical formula
Na2S2O3�?�·5H2O
Physical appearance
Colorless or slightly yellow transparent monoclinic crystal.
Quality standard
HG/T 2328-1992
Description
Sodium Thiosulfate, Sodium Thiosulphate, hypo, na2s2o3 5h2o, na2s2o3, sodium thiosulfate pentahydrate, sodium hyposulphite, chemical sodium Wholesalers, Inorganic Salt, 10102-17-7, thiosulfate de sodium
Application:
1>Used in fixers,plating,leather,reductant,dechlorinating agent
2>Sulfur dyeing agent
3>As a blush preventive agent
4>As a disinfectant and decolor agent.
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 & handing :
1>Store the product in a cool and dry place
2>Prevent from direct sunlight, water and moisture
3>Avoid contact with strong add oxidants
4>Do not stores it for long time.
Product Specification:
PHOTO GRADE TECH GRADE TECH GRADE
APPEARANCE COLORLESS TRANSPARENT WHITE POWDER
Na2S2O3 >99.0% >98.5% >97%
Water Insoluble
