Reagent generation assisted by ultrasonic irradiation

Journal of the Brazilian Chemical Society

Mauro Korn²  Marta V. A. S. Andrade²  Sivanildo S. Borges¹  Clarivaldo S. Sousa¹  Fábio S. Oliveira¹ 

[1] ,Universidade do Estado da Bahia Departamento de Ciências Exatas e da Terra Salvador BA ,Brazil

关键词: reagent generation;    ultrasonic irradiation;    free radicals;    hydride;    chromium oxidation;   

DOI  :  10.1590/S0103-50532003000200011

来源: SciELO

【 摘 要 】

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.

【 授权许可】

CC BY   
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