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Silver Selectivity of Novel Monoazapolythioether Derivatives Bearing a Hydrazone Group in the Solvent Extraction Hidefumi Sakamoto1), Junichi Ishkawa1), Tamao Mizuno1), Kunio Doi1) and Makoto Otomo1) 1) Department of Applied Chemistry, Nagoya Institute of Technology (Received December 21, 1992) Novel acyclic and cyclic monoazapolythioether derivatives incorporating a substituted hydrazone group were synthesized. The acyclic and the cyclic monoazatetrathioether derivatives exhibited high Ag+ ion selectivity in the extraction with 1,2-dichloroethane. The monoazatetrathioether derivatives gave hypsochromic and bathochromic shifts in the visible absorption spectra when extracted Ag+ ion from the aqueous phase of varying acidities into the organic phase. |
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2楼2009-11-26 09:24:50