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Title: Ultrasonic nebulization-sample introduction system for quantitative analysis of liquid samples by laser-induced breakdown spectroscopy
Authors: Aras, Nadir
Ünal Yeşiller, Semira
Ateş Arıca, Dilek
Yalçın, Şerife
Keywords: Laser-induced breakdown spectroscopy
Membrane dryer
Metal aerosol
Ultrasonic nebulization
Ultrasonic nebulization
Issue Date: Aug-2012
Publisher: Elsevier Ltd.
Source: Aras, N., Ünal Yeşiller, S., Ateş Arıca, D., and Yalçın, Ş. (2012). Ultrasonic nebulization-sample introduction system for quantitative analysis of liquid samples by laser-induced breakdown spectroscopy. Spectrochimica Acta - Part B Atomic Spectroscopy, 74-75, 87-94. doi:10.1016/j.sab.2012.06.017
Abstract: In this study, design and optimization studies of a sample introduction system based on ultrasonic nebulization of metal salts in aqueous environment for laser-induced breakdown spectroscopic detection were presented. The system consisted of an ultrasonic nebulizer connected to a tandem heater-condenser- membrane dryer unit that produces sub-micron size aerosols. Results indicate improvements in detection limits for some elements with the use of membrane dryer. Optimization studies were performed by systematical investigation of LIBS emission signal with respect to laser energy, carrier gas flow rate and detector timing parameters. Under optimized conditions, calibration graphs for Na, K, Mg, Ca, Cu, Al, Cr, Cd, Pb and Zn were constructed and detection limits were calculated. The applicability of the ultrasonic nebulization-LIBS system was tested on real water samples. This system establishes LIBS as an effective analytical tool for both qualitative and quantitative determination of metal aerosols in aqueous environments. This technique is sufficiently rapid to provide real-time monitoring of toxic metals.
ISSN: 0584-8547
Appears in Collections:Chemistry / Kimya
Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection
Sürdürülebilir Yeşil Kampüs Koleksiyonu / Sustainable Green Campus Collection
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection

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