HS2830 - Sulphides; polysulphides whether or not chemically defined
Back to HS28 - Inorganic chemicals : organic or inorganic compounds of precious metals of rare-earth metals of radioactive elements or of isotopes| Name | Code |
|---|---|
| Sodium sulphides | HS283010 |
| Sulphides of metals nes; polysulphides of metals | HS283090 |