NAME：Sodium Sulfite
H.S.Code：28311010.00
CAS Code：7757-83-7
MOLECULAR FORMULA：Na2SO3
MOLECULAR WEIGHT：126.04
EXECUTIVE STANDARD：
Sodium Sulfite
H.S. code:28311010.00
CAS Code:7757-83-7
APPEARANCE:White monoclinic crystal or powder
MOLECULAR FORMULA: Na2SO3
Application:
(1) Industry Grade : Used in Dyeing and printing Industry ,as dechlorinating agent and bleaching agent, in leather and tanning industry as bleaching agent , developer agent , reductant agent , stabilizer agent , or used in paper making, electronic and water treatment industry.
(2) Food Grade: In food industry as additive preservative, antioxidant and antimicrobic for fruits (dried, glazed and candled), vegetables (onions, potatoes, etc.), juices (citrus and grapes) and fish (shrimps and prawns). In silage treatment as antifermentative. In starch and sweeteners production as bacteriostatic.
(3) Photo Grade: In the photographic industry as component of developer bath.
Package:In 25kg or 50kg plastic woven bag lined with PE bag net each,according to the customer’s demand.
项目Item | 一等品First Class | 二等品Second Class |
亚硫酸钠(Na2SO3) ,%≥ | 99.0 | 98.0 |
不溶物Water-Insoluble , %≤ | 0.005 | 0.02 |
氯化钠 (NaCl ) ,%≤ | 0.004 | 0.1 |
硫酸钠(Na2SO4 ) ,%≤ | 1.00 | 1.5 |
铁Fe,%≤ | 0.002 | 0.003 |
重金属 (Pb) ≤% | 0.001 | 0.002 |
