Harmonized System

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Section VI > Chapter 28 > Heading 2826

Explanatory notes

… 28.46 ), or of mercury ( heading 28.52 ). (d) Phosphides, carbides, hydrides, nitrides, azides , silicides and borides …

Section VI > Chapter 28 > Heading 2843

Explanatory notes

… to the compounds of sub‑Chapter V. (III) Phosphides, carbides, hydrides, nitrides, silicides and borides , …