| Customization: | Available |
|---|---|
| CAS No.: | 7757-83-7 |
| Formula: | Na2so3 |
|
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Specifications:
|
Item |
Super grade |
First grade |
|
Assay |
97%min |
96%min |
|
Fe |
0.003%max |
0.005%max |
|
Water insoluble |
0.02%max |
0.03%max |
|
Na2CO3 |
0.1%max |
0.4%max |
|
H2SO4 |
2.5%max |
Not test |
|
NaCl |
0.1%max |
Not test |
Package: 25/50kg bag lined with PVC bag
Application:
in photographic developer, preservative for food, electrobath for electroplating of copper; for bleaching of organic products, chemical synthesis etc.; as reductant ; in pesticide etc.
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