1996
DOI: 10.1016/1350-1477(96)00010-1
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Sonochemical degradation of carbon tetrachloride in aqueous solution at two frequencies: 20 kHz and 500 kHz

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Cited by 170 publications
(93 citation statements)
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“…Therefore, the sonication of an aqueous solution of chloroalkanes is a potential source of Cl − , Cl 2 and HClO. 14,15 The tendency for one or other species to prevail depends on the physical and chemical properties of the precursor, specially the hydrophobicity, vapour pressure, molar mass and concentration. 2,16 …”
Section: Resultsmentioning
confidence: 99%
“…Therefore, the sonication of an aqueous solution of chloroalkanes is a potential source of Cl − , Cl 2 and HClO. 14,15 The tendency for one or other species to prevail depends on the physical and chemical properties of the precursor, specially the hydrophobicity, vapour pressure, molar mass and concentration. 2,16 …”
Section: Resultsmentioning
confidence: 99%
“…Neste contexto, a extração do analito por ultra-sonificação, apresenta-se como técnica bastante robusta. [14][15][16][17][18] Os efeitos químicos provocados pelos ultra-sons ocorrem devido ao fenômeno da cavitação acústica, que é o processo de nucleação, crescimento e colapso de bolhas transientes em líquidos expostos a ondas ultra-sônicas de baixa freqüência (< 1 MHz). A energia liberada durante a cavitação acústica fornece excelentes perspectivas para o preparo e/ou trata-mento de amostras.…”
Section: -10unclassified
“…Performing control experiments conducted in the absence of ultrasonic irradiation, Suri et al [1999] observed negligible loss of TCE over a 25-minute period at 45 o C. Under ultrasonic irradiation, two experiments were conducted with 0-and 10-mL headspace, respectively; comparison of their results indicated that loss of TCE by volatilization was negligible (<2%) over a 20-minute period [Suri et al, 1999]. Bhatnagar and Cheung [1994], Francony and Petrier [1996], and Hua and Hoffmann [1996a] have also reported negligible loss of TCE during sonolysis.…”
Section: Treatmentmentioning
confidence: 99%