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Degradation of Verapamil hydrochloride in water by gliding arc discharge

S. Krishna, A. Maslani, T. Izdebski, M. Horakova, S. Klementova, P. Spatenka,

. 2016 ; 152 (-) : 47-54. [pub] 20160305

Language English Country England, Great Britain

Document type Journal Article, Research Support, Non-U.S. Gov't

Persistent link   https://www.medvik.cz/link/bmc17000365

This study investigated the influence of gliding arc plasma discharge on the degradation of Verapamil hydrochloride in water. The plasma discharge was characterized by means of optical emission spectroscopy. Spectra of various atomic and molecular species were observed. Aqueous solution of Verapamil hydrochloride was exposed to gliding arc discharge operated in continuous discharge at atmospheric pressure and room temperature. The identification of Verapamil, the degradation mechanisms of Verapamil and its transformation products were performed using liquid chromatography - mass spectrometry (HPLC-MS). Experimental results indicate that the atmospheric pressure gliding arc plasma treatment has noticeable effects on Verapamil with satisfactory degradation efficiency. Plausible mechanisms of the degradation were discussed.

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$a Krishna, Syam $u University of South Bohemia in Ceske Budejovice, Faculty of Fisheries and Protection of Waters, South Bohemian Research Center of Aquaculture and Biodiversity of Hydrocenoses, Zatisi 728/II, 389 25 Vodnany, Czech Republic. Electronic address: syambalakrishna@yahoo.com.
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$a Degradation of Verapamil hydrochloride in water by gliding arc discharge / $c S. Krishna, A. Maslani, T. Izdebski, M. Horakova, S. Klementova, P. Spatenka,
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$a This study investigated the influence of gliding arc plasma discharge on the degradation of Verapamil hydrochloride in water. The plasma discharge was characterized by means of optical emission spectroscopy. Spectra of various atomic and molecular species were observed. Aqueous solution of Verapamil hydrochloride was exposed to gliding arc discharge operated in continuous discharge at atmospheric pressure and room temperature. The identification of Verapamil, the degradation mechanisms of Verapamil and its transformation products were performed using liquid chromatography - mass spectrometry (HPLC-MS). Experimental results indicate that the atmospheric pressure gliding arc plasma treatment has noticeable effects on Verapamil with satisfactory degradation efficiency. Plausible mechanisms of the degradation were discussed.
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$a Maslani, Alan $u Institute of Plasma Physics AS CR v.v.i., Za Slovankou 3, 18200 Prague, Czech Republic.
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$a Izdebski, Tomasz $u Szewalski Institute of Fluid-Flow Machinery, Polish Academy of Sciences, Fiszera 14, 80-952 Gdansk, Poland.
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$a Horakova, Marta $u Czech Technical University in Prague, Department of Materials Engineering, Faculty of Mechanical Engineering, Karlovo nam. 13, 121 35 Prague, Czech Republic.
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$a Klementova, Sarka $u University of South Bohemia, Faculty of Science, Ceske Budejovice, Czech Republic.
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$a Spatenka, Petr $u Czech Technical University in Prague, Department of Materials Engineering, Faculty of Mechanical Engineering, Karlovo nam. 13, 121 35 Prague, Czech Republic.
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