| abstract |
Disclosed is a method for detoxifying a toxic arsenic, antimony or selenium compound by using an organic cobalt complex, which is improved in cost effectiveness. Specifically disclosed is a method for detoxifying a toxic compound containing an arsenic, antimony or selenium atom, which comprises irradiating an organic cobalt complex containing cobalt as the center metal and a choline ring as a ligand, a methyl group donor, a titanium oxide photocatalyst and the toxic compound with light to methylate the toxic compound. In the method, it is preferred to trimethylate the toxic compound. |