19680-35-4Relevant articles and documents
Modified BINOL podands: Synthesis of dinaphthosulfide podands and their application in spectrophotometric determination of toxic metals
Shockravi, Abbas,Chaloosi, Marzieh,Rostami, Esmael,Heidaryan, Davood,Shirzadmehr, Ali,Fattahi, Hanif,Khoshsafar, Hamid
, p. 2115 - 2123 (2008/02/08)
New dinaphthosulfide podands [3(a, b, and c)] were synthesized. The structures of these compounds were confirmed by IR, 1H NMR, 13C NMR, and Mass spectra. A simple, efficient, and sensitive procedure is described for the spectrophotometric determination of a trace amount of Ag+, Hg2+, Cr3+, Pb2+, and Ni2+ cations in the presence of Mn2+, Co2+, Cd2+ cations using the podand (3a). Formation constants of 1:1 complexes were determined from the absorbance-mole ratio data and found to vary in the order Pb2+ Ni2+ Hg2+ Cr3+ Ag+.