| CAS No. |
7681-57-4 |
| Other Names |
sodium metabisulfite |
| MF |
Na2S2O5 |
| EINECS No. |
xx |
| Place of Origin |
Hebei China (Mainland) |
| Grade Standard |
Food Grade |
| Purity |
97%min |
| Appearance |
white |
| Application |
Waste water treatment |
| Brand Name |
Sanjiang |
| Model Number |
tssjhg2010111001 |
sodium metabisulphite (1)Molecular formula: Na2S2O5 (2) Physical appearance: white or slightly yellowish crystalline powder (3)Certification: ISO9001:2000 (4)Specification:Main Content: 97%min, Water Insoluble: 0.05%max, Iron: 50ppm max, Pb: 10ppm max, As: 2ppm max ,pH: 4.0-4.6 (5)Bag marks:Sodium metabisulphite, N.W.: 25kgs, G.W. 25.1kgs, Made in China. (6)Main use: mineral separation, waste water disposing etc. (7)Packing: external polypropylene woven bag, polyethylene plastic bag lining. (8)Packing:25kgs net PP woven bag with PE liner (9)Our main product,annual output over 30,000MT Tangshan Sanjiang Chemical Co.,Ltd CERTIFICATE OF ANALYIS Analyst: Gao Date: NOV. 05,2009 Test Item Standard Request.Results of TestIndividual ResultAppearance White or light yellowcrystalline powderMeet the demandPassMAIN CONTENT95%MIN97.80%PassWATER INSOLUBLE0.05% MAX0.01%PassIRON50PPM MAX0.002%PassPB 10 PPM MAX0.001%PassAS20 PPM MAX0.0001%PassPH4.0-4.64.4PassPacking: in 25kg net PP woven bag with PE inner.