الوصف
1.sodium
sulfite na2so3
CAS: ********7
EINECS: ********4
MOLECULAR FORMULA: Na2SO3
MOLECULAR WEIGHT: **6.*4
APPEARANCE: Off-white crystals or powder.
PURITY: *3%,*6%,*7%
2.Advantages
1.Our
factory near the port, save logistics costs, fast
delivery.
2.Flexible payment terms (such as O/A.D/P.)
3.Extensive experience in
export.
3.Properties
Sodium Sulfite is a reducing agent soluble in water. Its solution in water is basic. It is feeble soluble in liquid chlorine or ammonia.
4.Specification
|
Items
|
Norms (industrial grade)
|
|
|
Superior-grade
|
First-grade
|
Qualified-grade
|
|
Na2SO3 -content % ≥
|
*7.0
|
*6.0
|
*3.0
|
|
Fe-content % ≤
|
0.**3
|
0.**5
|
0.*2
|
|
Water-insoluble matter content % ≤
|
0.*2
|
0.*3
|
0.*5
|
|
Free alkali as Nacontent % ≤
|
0.*0
|
0.*0
|
0.*0
|
|
Na2SO4 -content % ≤
|
2.5
|
|
|
|
NaCL-content % ≤
|
0.*0
|
|
|
5.Usage
1> In Photography- In formulation of developers and fixers solutions.
2>In Water Treatment -Oxygen scavenger in Boiler water and drilling water.
3> In Effluent water-treatment of excess chlorine & detoxification of chromic acid in electro plating industries.
4>In Pulp & Paper-In processing of semi-chemical pulp production in chemi-thermo-mechanical and kraft pulping process.
5> In Chemical industry-in manufacture of Sodium thiosulphate , sulphonating agent
6> In Detergents- manufacture of sulfosuccinates – sampoo.
7>In Dyetuffs-reducing agent in manufacure of indigo - vat dyes
8> In Rubber-stabilizing latex. – anticogulant.
9>In Minerals-Ore floatation aid.
*0>In Leather industry-antibacterial in tanning process.
*1>In Food processing-as preservative, antioxidant and enzyme inhibator.
6.Package
1> We can make the shipping mark according to your requirement.
2> We can supply the package of *5 Kg /*0kg compound plastic woven bag with inner Polypropylene liner.
3> We can supply the package of JUMBO Bag.
4> The general package is three layer, which can protect the goods very well.
7.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.
8.Shelf Life
one year
9.Package
photos
*0.About
our company
*1.Contact
Skype:lilian*******4(BEIJING TIME
9:****5:*0)
CHANGSHA WEICHUANG CHEMICAL
CO.,LTD
| بلد: |
China |
| نموذج رقم: |
sell good quality food grade Anhydrous Sodium sulphite 97%
|
| سعر فوب: |
( Negotiable ) (قابل للتفاوض)
أحصل على آخر سعر
|
| الموقع: |
hunan |
| سعر الحد الأدنى للطلب: |
- |
| الحد الأدني للطلب: |
10 Metric Ton |
| تفاصيل التغليف: |
1> We can make the shipping mark according to your requirement. 2> We can supply the package o |
| موعد التسليم: |
one week |
| القدرة على التوريد: |
8000 Metric Ton per Year |
| نوع الدفع: |
T/T, L/C |
| مجموعة المنتج : |
- |
