sell good quality food grade Anhydrous Sodium sulphite 97% By Changsha weichuang chemical co., ltd,

sell good quality food grade Anhydrous Sodium sulphite 97%

Prix FOB

Obtenir le dernier prix

( Negotiable )

10 Metric Ton Minimum Order

Pays:

China

N Â° de modÃ¨le:

Prix FOB:

( Negotiable )(Negotiable) Obtenir le dernier prix

LocalitÃ©:

hunan

Prix de commande minimale:

Commande minimale:

10 Metric Ton

Packaging Detail:

1> We can make the shipping mark according to your requirement. 2> We can supply the package o

Heure de livraison:

one week

Capacité de Fournir:

8000 Metric Ton per Year

Payment Type:

T/T, L/C

Groupe de produits :

Type: Sodium Sulfite
Other Names: sodium sulfite
MF: Na2SO3
Grade Standard: Food Grade
Purity (%): 97-99%
Appearance: White crystal or powder
Application: leather and medicine

Name:Anhydrous Sodium sulphite 97%
color:white
Density (g/cm3):1.561

La description

1.Sodium Sulfite Anhydrous

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

Pays:	China
N Â° de modÃ¨le:	-
Prix FOB:	( Negotiable ) (Negotiable) Obtenir le dernier prix
LocalitÃ©:	hunan
Prix de commande minimale:	-
Commande minimale:	10 Metric Ton
Packaging Detail:	1> We can make the shipping mark according to your requirement. 2> We can supply the package o
Heure de livraison:	one week
Capacité de Fournir:	8000 Metric Ton per Year
Payment Type:	T/T, L/C
Groupe de produits :	-