Abstract
A new Keggin sandwich-type polyoxometalate (POM) estertin derivative Na8K6[{Sn(CH2)2COO}2(B-α-AsW9O33)2]·27H2O (compound 1) has been successfully synthesized from K14[As2W19O67(H2O)]·nH2O ({As2W19}) and Cl3SnCH2CH2COOCH3, and characterized by physico-chemical and spectroscopic methods. The corrosion inhibition behavior of compound 1 for carbon steel in 0.4molL−1 NaAc-HAc buffer solution with pH=6.0 was evaluated by polarization curves and electrochemical impedance spectroscopy (EIS), and its catalytic activity towards the oxidation of cyclohexanol to cyclohexanone was also studied.
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