Anhydrous Sodium Sulfite 97% min

Model:	ASS07
Brand:	Sanxiang
Origin:	Made In China
Category:	Chemicals / Inorganic Chemical Materials / Inorganic Salt
Label:	Anhydrous sodium sul , Na2SO3 , CAS:7757-83-7
Price:	US $480 / metric ton
Min. Order:	20 metric ton

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Product Description

Specification of the Anhydrous Sodium Sulfite
1,Molecular formula : Na₂SO₃
2,Molecular weight : 126.04
3,Appearance : white crystalline powder
4,Main content :97%,96%,93%
5,Competitive price,
6,Pass ISO, producing under strict inspection
7,Annuual production:20,000mt

Quality standard : Q/320124JM02-2003

Index name	Premium grade
Index name	Super grade	First grade	Salable product	Industrial grade
Sodium sulfite ( Na₂SO₃ ) , % ≥	97.0	96.0	93.0	90.0
Fe , ?≤	0.003	0.005	0.01	/
Water insoluble matter , % ≤	0.02	0.03	0.05	/
Free Alkali ( as Na₂SO₃ ) , % ≤	0.10	0.40	0.60	/
Na₂SO₄ , % ≤	1.10	/	/	/
NaCl , % ≤	0.08	/	/	/

Usge
1, Paper-making industry
2, Leather industry
3, Bleaching
4, Tannage and food
5, Dyeing and painting industry

Package Storage and transportation:

1, Double-layer plastic woven bag. Net weight per bag: 25Kg or 50Kg.
2, Not allowed in a room with any oxidant or strong acid

3, Keep away from an oxidation by air or humidity.
4, Keep away from sunlight and humidity during its transportation.
5, Storage life: no more than half year from ex-factory date.