Liquid sulfur dioxide
Product name | Sequence numbers | Testing programmes | First grade products |
· Liquid sulfur dioxide (GB/T3637-2011) ·
| 1 | appearance | colourless or slightly yellow transparent liquid |
2 | SO2 (%) | ≧99.90 | |
3 | residue(%) | ≦0.040 | |
4 | water(%) | ≦0.060 |
