11. Crush a couple of sodium cyanide tablets that are readily available and inexpensive in Asia. 12. Agents also found nearly 2 pounds ( 1 kilogram ) of almost pure sodium cyanide . 13. The police have recovered a stockpile of sodium cyanide from the headquarters of Aum Shinrikyo. 14. Treating the mixture with sodium cyanide in the presence of free oxygen dissolves the gold. 15. It stated that 20 packages of Morinaga candy had been laced with deadly sodium cyanide . 16. Sodium cyanide leakage was reported in the sewer.17. One method involves combining sodium cyanide and borane. 18. Sodium cyanide is considered the most efficient and economic way to extract gold from crushed rock.19. Damaged containers of sodium cyanide were in the river for five hours before they were removed. 20. Yu said other cargoes included chemical weapons-grade sodium cyanide and integrated circuits usable in military hardware.