水中氰化物来源及处理 水中氰化物来源及处理SourceCyanide (CN) is extremely toxic and is not commonly found at significant levels in drinking water. Cyanide is normally found in waste water from metal finishing operations. The US EPA has not classified cyanide as a carcinogen(致癌物质) because of inadequate data. No MCL level establishe…… http://www.samsco.com.cn/info/356.htm