Heading
Edition 2004
HS Code 2804
I.-CHEMICAL ELEMENTS - Hydrogen, rare gases and other non-metals
Sub-headings under 2804
- 28041000 I.-CHEMICAL ELEMENTS - Hydrogen, rare gases and other non-metals - Hydrogen
- 28042100 I.-CHEMICAL ELEMENTS - Hydrogen, rare gases and other non-metals - Rare gases: - Argon
- 280429 Rare gases: - Other:
- 28043000 Rare gases: - Other: - Nitrogen
- 280440 Oxygen:
- 280450 Boron; tellurium:
- 28046100 Silicon: - Containing by weight not less than 99.99% of silicon
- 28046900 Silicon: - Other
- 280470 Phosphorus:
- 28048000 Arsenic
- 28049000 Selenium