… Inorganic chemicals; organic or inorganic compounds of precious metals, of rare-earth metals, of …
Explanatory notes
… classified in this Chapter, provided that they are in forms unworked as drawn, or in the form of cylinders or rods. When … or paragraphs (a) to (h) of Note 1 to Chapter 29. GENERAL Unless the context otherwise requires, Chapter 28 is limited … lattice, the molecular species corresponds to the repeating unit cell. The elements of a separate chemically defined …Legal note
… Separate chemical elements and separate chemically defined compounds, whether or not containing impurities; (b) … and 28.52 and carbides (heading 28.49), only the following compounds of carbon are to be classified in this Chapter : … classified in this Chapter, provided that they are in forms unworked as drawn, or in the form of cylinders or rods. When …