期刊
SPECTROCHIMICA ACTA PART B-ATOMIC SPECTROSCOPY
卷 59, 期 6, 页码 871-882出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.sab.2004.03.004
关键词
ICP-AES; Q-concept; environmental materials; trace elements; detection limits
类别
This paper deals with spectral interference in radial-viewing Inductively Coupled Plasma Atomic Emission Spectrometry in the determination of As, Hg, Se, Tl, Sn and Bi in environmental materials. The spectral interferences, in the presence of Al, Ca, Mg, Fe and Ti as matrix constituents, around the prominent lines of analytes with wavelengths below 200 nm and up to 320 nm, were studied. The Q-concept was applied for quantification of spectral interferences in the presence of multi-component environmental matrix. These data were used for both quantitative line selection and calculation of the true detection limits by the best analysis lines. The detection limits obtained in the present paper varied from 0.3 to 0.9 mug g(-1). (C) 2004 Elsevier B.V. All rights reserved.
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