Categories

CN2837

28 Inorganic Chemicals, Organic or Inorganic Compounds of Precious Metals, of Rare-earth Metals, of Radioactive Elements or of Isotopes

2837 (01/1988-..) Cyanides, Cyanide Oxides and Complex Cyanides

28371100 (01/1988-..) Sodium Cyanide

28371900 (01/2007-..) Cyanides and Cyanide Oxides (Excl. Sodium and Mercury)

28372000 (01/2007-..) Complex Cyanides (Excl. Inorganic or Organic Compounds of Mercury)