In air, cyanide is principally found as gaseous hydrogen cyanide; a little amount is current as fine dust particles. An antidotal mix of inhaled amyl nitrate and intravenous sodium nitrite and sodium thiosulfate in many cases are indicated. The IPCS/CEC (1993) critique of antidotes for cyanide poisoning mentioned that folks https://potassium-cyanide-msds78890.onesmablog.com/the-2-minute-rule-for-potassium-cyanide-price-in-bangalore-69947958