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Development of a simple and fast ultrasound-assisted extraction method for trace element determination in tobacco samples using ICP-MS

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Organization
Abstract
The current study describes a simple and fast method for the determination of Ba, Cd, Co, Cr, Cu, Mn, Ni and Pb in tobacco samples. Commercial cigarettes obtained from local market stores were analysed by inductively coupled plasma mass spectrometry (ICP-MS) after ultrasound-assisted extraction in acidic medium, and the results were compared to those obtained following microwave-assisted digestion of the samples. The sonication time was evaluated from 0 to 60 min, and a 30min extraction time was selected. The concentration of HNO3 was also optimised at 0.7molL(-1). In order to verify the accuracy of the proposed method, a certified reference material was submitted to the same extraction protocol adopted for the samples, and good agreement with the certified values was obtained at a 95% confidence level, except for Co. The extraction of Pb was also semi-quantitative. A total of four tobacco samples were analysed, with concentrations ranging from 0.4 for Cr to 214.6 mu gg(-1) for Mn. The proposed method was demonstrated to be fast, sensitive, precise and accurate for the determination of Ba, Cd, Cr, Cu, Mn an Ni and for the semi-quantitative analysis of Co and Pb in tobacco samples.
Keywords
cigarette, trace elements, tobacco analysis, ATOMIC-ABSORPTION-SPECTROMETRY, CIGARETTE-SMOKE, PRECONCENTRATION, DIGESTION, CADMIUM, METALS, CD

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MLA
Almeida, Tarcísio S., et al. “Development of a Simple and Fast Ultrasound-Assisted Extraction Method for Trace Element Determination in Tobacco Samples Using ICP-MS.” INTERNATIONAL JOURNAL OF ENVIRONMENTAL ANALYTICAL CHEMISTRY, vol. 94, no. 8, 2014, pp. 756–64.
APA
Almeida, T. S., de Andrade, R. M., Santos de Gois, J., & Borges, D. L. (2014). Development of a simple and fast ultrasound-assisted extraction method for trace element determination in tobacco samples using ICP-MS. INTERNATIONAL JOURNAL OF ENVIRONMENTAL ANALYTICAL CHEMISTRY, 94(8), 756–764.
Chicago author-date
Almeida, Tarcísio S, Rodolpho M de Andrade, Jefferson Santos de Gois, and Daniel LG Borges. 2014. “Development of a Simple and Fast Ultrasound-Assisted Extraction Method for Trace Element Determination in Tobacco Samples Using ICP-MS.” INTERNATIONAL JOURNAL OF ENVIRONMENTAL ANALYTICAL CHEMISTRY 94 (8): 756–64.
Chicago author-date (all authors)
Almeida, Tarcísio S, Rodolpho M de Andrade, Jefferson Santos de Gois, and Daniel LG Borges. 2014. “Development of a Simple and Fast Ultrasound-Assisted Extraction Method for Trace Element Determination in Tobacco Samples Using ICP-MS.” INTERNATIONAL JOURNAL OF ENVIRONMENTAL ANALYTICAL CHEMISTRY 94 (8): 756–764.
Vancouver
1.
Almeida TS, de Andrade RM, Santos de Gois J, Borges DL. Development of a simple and fast ultrasound-assisted extraction method for trace element determination in tobacco samples using ICP-MS. INTERNATIONAL JOURNAL OF ENVIRONMENTAL ANALYTICAL CHEMISTRY. 2014;94(8):756–64.
IEEE
[1]
T. S. Almeida, R. M. de Andrade, J. Santos de Gois, and D. L. Borges, “Development of a simple and fast ultrasound-assisted extraction method for trace element determination in tobacco samples using ICP-MS,” INTERNATIONAL JOURNAL OF ENVIRONMENTAL ANALYTICAL CHEMISTRY, vol. 94, no. 8, pp. 756–764, 2014.
@article{7275265,
  abstract     = {The current study describes a simple and fast method for the determination of Ba, Cd, Co, Cr, Cu, Mn, Ni and Pb in tobacco samples. Commercial cigarettes obtained from local market stores were analysed by inductively coupled plasma mass spectrometry (ICP-MS) after ultrasound-assisted extraction in acidic medium, and the results were compared to those obtained following microwave-assisted digestion of the samples. The sonication time was evaluated from 0 to 60 min, and a 30min extraction time was selected. The concentration of HNO3 was also optimised at 0.7molL(-1). In order to verify the accuracy of the proposed method, a certified reference material was submitted to the same extraction protocol adopted for the samples, and good agreement with the certified values was obtained at a 95% confidence level, except for Co. The extraction of Pb was also semi-quantitative. A total of four tobacco samples were analysed, with concentrations ranging from 0.4 for Cr to 214.6 mu gg(-1) for Mn. The proposed method was demonstrated to be fast, sensitive, precise and accurate for the determination of Ba, Cd, Cr, Cu, Mn an Ni and for the semi-quantitative analysis of Co and Pb in tobacco samples.},
  author       = {Almeida, Tarcísio S and de Andrade, Rodolpho M and Santos de Gois, Jefferson and Borges, Daniel LG},
  issn         = {0306-7319},
  journal      = {INTERNATIONAL JOURNAL OF ENVIRONMENTAL ANALYTICAL CHEMISTRY},
  keywords     = {cigarette,trace elements,tobacco analysis,ATOMIC-ABSORPTION-SPECTROMETRY,CIGARETTE-SMOKE,PRECONCENTRATION,DIGESTION,CADMIUM,METALS,CD},
  language     = {eng},
  number       = {8},
  pages        = {756--764},
  title        = {Development of a simple and fast ultrasound-assisted extraction method for trace element determination in tobacco samples using ICP-MS},
  url          = {http://dx.doi.org/10.1080/03067319.2014.891107},
  volume       = {94},
  year         = {2014},
}

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