Main Page | See live article | Alphabetical index Chelators, or chelating agents, are organic compounds that bind free metal ions and remove them from solutions. This act of binding is also known as chelation. For example, the chelator EDTA is often used to treat metal poisoning because it tightly binds magnesium and calcium ions and is harmless to the body. This article is a stub. You can help Wikipedia by fixing it. This article is from Wikipedia. All text is available under the terms of the GNU Free Documentation License.