sodium metabisulfite(High pure Grade)
Post Date: |
Jul 05,2013 |
Expiry Date: |
Jan 01,2014 |
Detailed Description: |
Molecular Formula: Na2S2O5
Molecular Weight: 190.10 CAS NO:7681-57-4
Appearance: white or light yellow crystalline
powder
Character: with smell of SO2,soluble
in water,the solution is acidic.
Usages: Fiber, photo ,pharmacy,chemical
,petroleum chemical and so on.
Packing: 25kg PE bag or 1000kg/bag Product
specifications:
Items |
Index |
standard |
Reference value |
Na2S2O5 ≥% |
97.5 |
97.9 |
Fe ≤ % |
0.0005 |
0.0003 |
Insoluble in water ≤ % |
0.005 |
0.002 |
Cl ≤ % |
0.005 |
0.0005 |
Sodium thiosulfate≤ % |
0.05 |
0.02 |
Pb≤ % |
0.0005 |
0.0001 |
As ≤ % |
0.0001 |
0.00002 |
|
Company: |
Dongying Fengyuan Chemical Co.,Ltd.
[ China ]
|
Contact: |
Du Qiong |
Tel: |
+86-546-8023567 13665460623 |
Fax: |
+86-546-8022557 |
Email: |
sales@fychem.cn |
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