Recovery of negatively charged precious metals complexes used in complex reactions (Suzuki, Heck, Sonagashira). Recovery of precious metals from catalyst process streams, especially Pd, Rh, Ru, Pt, Ir, and Os. Also, heavy metals removed: Re, Au, Ag, Fe, Co, Cu, Sn, Cd, Ni, Pb, Cr, Zn, V, and Hg. Removal of alkyl and benzyl metal halides.
