Journal
SPECTROCHIMICA ACTA PART B-ATOMIC SPECTROSCOPY
Volume 55, Issue 11, Pages 1643-1657Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/S0584-8547(00)00265-2
Keywords
ICP-AES; Q-concept; atmospheric particulate matter; trace elements; correction procedure; true detection limits
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The present paper has shown that the Q concept, as proposed by P.W.J.M. Boumans, J.J.A.M. Vrakking, Spectrochim. Acta Part B 43 (1988) 69, can be used as a basic methodology in the determination of Ba, Cr, Cd, Mn, Pb and Zn in pairs of atmospheric particles by inductively coupled plasma atomic emission spectrometry (ICP-AES). The data base of Q values for line interference [Q(lj)(lambda (a))] and Q values for wing background interference [Q(WJ)(Delta lambda (a))] were obtained in our former work IN. Daskalova, Iv. Boevski, Spectral interferences in the determination of trace elements in environmental materials by inductively coupled plasma atomic emission spectrometry, Spectrochim. Acta rtB 54 (1999) 1099-1122]. The samples of atmospheric particles were collected by the Bergerhoff method. The ICP-AES determination was performed after sample digestion with aqua regia. Q values were used for the calculation of both the total interfering signal under the analysis lines and the true detection limits, depending on the matrix constituents in the different samples. Comparative data for the concentration of analytes were obtained by flame atomic absorption spectrometry (FAAS) and direct current are atomic emission spectrographic method (dc arc-AES). (C) 2000 Elsevier Science B.V. All rights reserved.
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