American Journal of Physical Chemistry

Volume 3, Issue 3, June 2014

  • Sonophotocatalytic Degradation of Poly (Vinyl Pyrrolidone) in the Presence of Fe (III)/H2O2

    N. S. Orang, R. Abdollahi

    Issue: Volume 3, Issue 3, June 2014
    Pages: 26-32
    Received: 1 March 2014
    Accepted: 12 April 2014
    Published: 30 June 2014
    Abstract: The degradation of poly (vinyl pyrrolidone) (PVP) by means of ultrasound irradiation and its combination with homogeneous photocatalysis (photo-Fenton) was investigated. Emphasis was given on the effect of additive on degradation rate constants. 24 kHz of ultrasound irradiation was provided by a sonicator, while an ultraviolet source of 16 W was us... Show More
  • Controlling the Passive Oxide Film Formation on Indium Electrode in Na2B4O7 Solutions

    Ahmed Diab, Salah Abd El Wanees

    Issue: Volume 3, Issue 3, June 2014
    Pages: 33-40
    Received: 8 July 2014
    Accepted: 18 July 2014
    Published: 20 August 2014
    Abstract: The oxide film formation and growth on indium electrode in Na2B4O7 solutions have been studied using polarization technique. The effects of concentration of Na2B4O7, pH and temperature of electrolyte solution are investigated based on the formation of oxide film. It was found that lowering the concentrations of Na2B4O7 solutions, pH or decreasing o... Show More