Explanatory notes
… to the exclusions mentioned in the introduction to this sub‑Chapter, this heading includes nitrites, metal salts of … to the exclusions mentioned in the introduction to this sub‑Chapter, this heading covers nitrates, metal salts of nitric … Mercury nitrates ( heading 28.52 ). (b) Acetonitrates ( Chapter 29 ) (e.g., iron acetonitrate, used as a mordant). …