cobalt (CO) 鈷

cobalt (CO)
繁：鈷
简：钴

2009年，河南杞縣放射性元素鈷-60洩漏的傳言致使當地居民集體出逃。

內地2千廢舊放射源下落不明存隱患（2014年5月10日）。文匯報，取自 http://news.wenweipo.com/2014/05/10/IN1405100043.htm

Li said other metals or hazardous elements found in China’s air included copper, magnesium, lithium, nickel, cobalt, arsenic and selenium.

Hazardous level of trace metals in Hong Kong’s air as scientists warn of health crisis. (2014, May 30). South China Morning Post. Retrieved from http://www.scmp.com/news/hong-kong/article/1522257/hazardous-level-trace-metals-chinas-air-warn-scientists