(Methylthio)methyl and (N,N-dimethylcarbamoyl)methyl upper-rim-substituted calix[4]arenes as potential extractants for Ag(I), Hg(II), Ni(II), Pd(II), Pt(II), and Au(III)

Yordanov AT; Falana OM; Koch HF; Roundhill DM

Inorganic Chemistry, Vol.36, No.27, 6468-6471, 1997

Yordanov AT, Falana OM, Koch HF, Roundhill DM

Keywords:HEAVY-METAL IONS;SOLVENT-EXTRACTION;TRACE-METALS;SILVER;PRECONCENTRATION;CALIXARENES;COMPLEXES;WATER