Journal of the Brazilian Chemical Society (Jan 2003)

Reagent generation assisted by ultrasonic irradiation

  • Korn Mauro,
  • Andrade Marta V. A. S.,
  • Borges Sivanildo S.,
  • Sousa Clarivaldo S.,
  • Oliveira Fábio S.

Journal volume & issue
Vol. 14, no. 2
pp. 254 – 258

Abstract

Read online

In this work, the potential of reagent generation assisted by ultrasonic irradiation was evaluated for Cr(III) oxidation and arsine formation. Free radical formation by sonolysis of aqueous solutions was evaluated. The sonication of an aqueous solution saturated with CCl4 leads to chlorine radical formation while the irradiation of water in the presence of metallic zinc leads to hydrogen production. The low relative standard deviations of the proposed procedures indicate that the method can be applied for analytical purposes.

Keywords