Molecular and atomic emission during single-bubble cavitation in concentrated sulfuric acid

被引：22

作者：

Flannigan, DJ ^{[1
]}

Suslick, KS ^{[1
]}

机构：

[1] Univ Illinois, Dept Chem, Chem & Life Sci Lab, Urbana, IL 61801 USA

来源：

ACOUSTICS RESEARCH LETTERS ONLINE-ARLO | 2005年 / 6卷 / 03期

关键词：

D O I：

10.1121/1.1897810

中图分类号：

O42 [声学];

学科分类号：

070206 ; 082403 ;

摘要：

Concentrated acid solutions have been reported to produce bright light emission during cavitation. Single-bubble sonoluminescence (SBSL) from sulfuric acid (H2SO4) is much brighter than SBSL from water by over three orders of magnitude when both are regassed with Ar. In contrast to water, SBSL spectra of concentrated H2SO4 contain extensive atomic, molecular, and ionic emission revealing details about intracavity physical conditions and chemical processes. Observation of specific emitters coupled with detailed studies of the temporal emission of the emitters relative to one another and to the overall bubble oscillation will lead to a much more detailed understanding of SBSL. (C) 2005 Acoustical Society of America.

引用

页码：157 / 161

页数：5

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