Chapter 28 — Inorganic chemicals; organic or inorganic compounds of precious metals, of rareearth metals,of radioactive elements or of isotopes

Heading 2843 — Colloidal precious metals; inorganic or organic compounds of precious metals, whether or not chemically defined; amalgams of precious metals.

National subdivision 2843.2 — Silver compounds:

Subheading 2843.21 — Silver nitrate