Pure Appl. Chem., 1989, Vol. 61, No. 9, pp. 1619-1624
doi:10.1351/pac198961091619
Silica gel-bound aza-crowns for the selective removal and concentration of metal ions
J. S. Bradshaw, K. E. Krakowiak, B. J. Tarbet, R. L. Bruening, J. F. Biernat, M. Bochenska, R. M. Izatt and J. J. Christensen
