The electrochemical decomposition of bisphenol A and nonylphenol, which may serve as environmental endocrine disrupters, was studied by using a platinum coated titanium anode. These substances were electrochemically decomposed via a series of intermediates. The measurement of total organic carbon in a solution of bisphenol A or nonylphenol after electrochemical decomposition showed that these substances could be decomposed to CO2.
Light scattering experiment has been performed in a single crystal of 0.89Pb(Zn1∕3Nb2∕3)O3–0.11PbTiO3. The central peak (CP) spectra have been well detected with high resolution over the wide frequency region up to 150GHz. The distribution is discovered in the relaxation time associated with the CP. Moreover, it is found that the maximum relaxation time indicates the dynamical slowing down near the temperature Tm at which the low-frequency dielectric constant has a maximum. This finding strongly suggests that the physical origin of the CP is “polar nanoregions.”
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