China (Mainland)
Sodium metabisulfite CAS NO.7681-57-4 CAS NO.7681-57-4
- Min.Order: 100 Gram
- Payment Terms: L/C,D/A,D/P,T/T,MoneyGram,Other
- Product Details
Keywords
- 7681-57-4
- sodium pyrosulfite
- Na2O5S2
Quick Details
- ProName: Sodium metabisulfite CAS NO.7681-57-4
- CasNo: 7681-57-4
- Molecular Formula: Na2O5S2
- Appearance: White powder
- Application: food additive;water treatment
- DeliveryTime: Within a week
- PackAge: According client's requirements
- Port: any port in China
- ProductionCapacity: 40 Metric Ton/Month
- Purity: ≥99
- Storage: cool and dry
- Transportation: According client's requirements
- LimitNum: 100 Gram
Superiority
executive standard: gbl983-1998
|
item |
index |
testing result |
|
main content(na2s2o5)% |
≥95.0 |
96.83 |
|
iron (fe)% |
≤0.005 |
0.0006 |
|
heavy metal(pb)% |
≤0.001 |
0.0002 |
|
arsenic(as)% |
≤0.0002 |
0.00008 |
|
water insoluble % |
≤0.005 |
0.0007 |
|
ph |
4.0-4.6 |
4.3 |
|
clarity |
slightly turbid |
slightly turbid |
|
chloridion(cl)ppm |
|
0.18 |
Details
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