DC4196
7757-83-7
231-821-4
H2O3S.2Na
sodium sulphite
| Index Name | Specifications |
| Appearance | White crystalline powder |
| Na2SO3 | 98.0%min |
| Fe | 0.003%max |
| Undissolved in water | 0.01%max |
| Na2CO3 | 0.001%max |
| Na2SO3 | 1.2%max |
| NaCl | 0.005%max |
| Heavy metals | 0.001%max |
| As | 0.0001%max |
| Index Name | Specifications |
| Appearance | White crystalline powder |
| Na2SO3 | 98.0%min |
| Fe | 0.003%max |
| Undissolved in water | 0.01%max |
| Na2CO3 | 0.001%max |
| Na2SO3 | 1.2%max |
| NaCl | 0.005%max |
| Heavy metals | 0.001%max |
| As | 0.0001%max |