Versatility of Kemp's Acid Imides As Heavy Metal Ion Carriers
T. Hirose, B. W. Baldwin, Z.-H. Wang, K. Kasuga, T. Uchimaru, and A. Yliniemela [Chem. Commun., p. 391, 1996]
Kemp's acid imides transport transition-metal ions through a CHCl3 liquid membrane, most effectively transporting HgII with high selectivities (Hg/Ag = 5, Hg/Cu = 14, and Hg/Pb = 86 for an aromatic imide).