Page "Karen Wetterhahn" Paragraph 10

At the time, dimethylmercury was the common calibration standard for < sup > 199 </ sup > Hg NMR spectroscopy because it has certain advantages over the alternatives that exist .< ref >< sup > 199 </ sup > Hg NMR Standards Occupational Safety and Health Administration | OSHA As a consequence of Wetterhahn's accident, recommendations and MSDS sheets have been revised, and the use of dimethylmercury has been highly discouraged.