| HS CODE | DESCRIPTION |
|---|---|
| 280410 | Hydrogen |
| 280421 | Rare gases |
| 280421 | Argon |
| 28042910 | Helium |
| 280430 | Nitrogen |
| 280440 | Oxygen |
| 280450 | Boron; tellurium |
| 28045010 | Boron |
| 28045090 | Tellurium |
| 2804509040 | Tellurium (CAS|RN|13494-80-9) of a purity by weight of 99,99|% or more, but not more than 99,999|%, based on metallic impurities measured by ICP analysis |
| 280461 | Silicon |
| 280461 | Containing by weight not less than 99,99|% of silicon |
| 2804690010 | Consigned from the Republic of Korea |
| 2804690020 | Consigned from Taiwan |
| 280470 | Phosphorus |
| 28047010 | Red phosphorus |
| 280480 | Arsenic |
| 280490 | Selenium |