High purity sodium sulphite with competitive price CAS NO.7757-83-7
- FOB Price: USD: 1.00-1.00 /Metric Ton Get Latest Price
- Min.Order: 1 Kilogram
- Payment Terms: T/T,MoneyGram,Other
- Available Specifications:
1(1-2)Metric Ton
- Product Details
Keywords
- sodium sulphite
- Sodium metabisulfite
- bkebdp
Quick Details
- ProName: High purity sodium sulphite with compe...
- CasNo: 7757-83-7
- Molecular Formula: Na2SO3
- Appearance: powder & cystal
- Application: chemical
- DeliveryTime: 3 days after payment
- PackAge: HDPE bags
- Port: any port in china
- ProductionCapacity: 1000 Metric Ton/Day
- Purity: 95%min
- Storage: Dry palce
- Transportation: by sea , by express
- LimitNum: 1 Kilogram
- Related Substances: 0.001max
- Residue on Ignition: 0.001max
- Heavy Metal: 0.001max
Superiority
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Details
Specification
index name |
analytically pure-ar |
chemical pure-cp |
high purity |
content(na2so3) |
≥97.0 |
≥95.0 |
≥96.0 |
clarity test |
qualified |
qualified |
|
water insoluble |
≤0.005 |
≤0.01 |
≤0.03 |
sulphurous acid( counted by na2hso3 ) |
qualified |
qualified |
|
free alkali( counted by na2co3 ) |
≤0.1 |
≤0.3 |
≤0.5 |
chloride(cl) |
≤0.005 |
≤0.02 |
≤0.05 |
thiosulfuric acid(s2o3) |
≤0.01 |
≤0.02 |
≤0.04 |
ferrum(fe) |
≤0.0005 |
≤0.002 |
≤0.003 |
heavy metal(counted by pb) |
≤0.001 |
≤0.002 |
≤0.003 |
arsenic(as) |
≤0.0001 |
≤0.0005 |
≤0.001 |