Explanatory notes
… sodium 2837.19 ‑ ‑ Other 2837.20 ‑ Complex cyanides Subject to the exclusions mentioned in the introduction to this … of gold or silver, in gold‑ or silver‑plating, in photography, in lithography, as a parasiticide or … crystals, deliquescent, soluble in water and toxic; in aqueous solution it is greenish and decomposed by …