Toxic Metal: The Health Dangers of Barium
May 24, 2013· Highly reactive with air, barium is not found naturally in pure forms but as a component of ores. When barium is combined with other elements to form barium compounds, it has many applications. Barium carbonate is used as a rat poison, low amounts of barium sulfate may be ingested prior to receiving an xray to provide better imaging, and ...