Interactions of Guanine with Cr(VI), Ag(I), Cd(II) and Hg(II) in Acidic Aqueous Medium

AA Shaikh, Dilip K Paul, MS Rahman, Pradip K Bakshi

Abstract

Guanine forms compounds with Cr(VI), Ag(I), Cd(II) and Hg(II) in acidic aqueous media. The compounds are formulated as (C5H6N5O)2(Cr2O7).H2O, [Ag{(C5H6N5O)(NO3)}2](C5H6N5O)(NO3)2, [(C5H4N5O)2Cd](C5H6N5O)Cl and [(C5H4N5O)2Hg](C5H6N5O)Cl on the basis of their metal and chloride contents.  Physico-chemical properties such as solubility, melting point, IR and UV-visible spectra, magnetic susceptibility, and thermal behavior of the compounds were studied. The composition of (C5H6N5O)2(Cr2O7).H2O was also investigated by continuous variation method.

Keywords: Nucleic acids; Guaninium ions; Pyrimidine ring; Magnetic susceptibilities.

DOI: http://dx.doi.org/10.3329/jbcs.v24i2.9699

Journal of Bangladesh Chemical Society, Vol. 24(2), 106-114, 2011

Keywords

Nucleic acids; Guaninium ions; Pyrimidine ring; Magnetic susceptibilities
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