1 Application of Mercury Temperature Programmed Desorption (HgTPD) to ascertain mercury/char interactions M. Rumayor, N. Fernandez-Miranda, M. A. Lopez-Anton*, M. Diaz-Somoano, M. R. Martinez-Tarazona Instituto Nacional del Carbón (CSIC), C/Francisco Pintado Fe, 26, 33011, Oviedo, Spain *Corresponding autor: M. Antonia Lopez-Anton Phone: +(34) 985 119090 Fax: +(34) 985 297662 e-mail: marian@incar.csic.es