Journal
TRAC-TRENDS IN ANALYTICAL CHEMISTRY
Volume 100, Issue -, Pages 1-6Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.trac.2017.12.012
Keywords
Atomic absorption spectrometry; Simultaneous determination; Sequential determination; Internal standardization; HR-CS AAS
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Funding
- Conselho Nacional de Desenvolvimento Cientifico e Tecnologico
- Fundacao de Amparo a Pesquisa do Estado da Bahia
- Coordenacao de Aperfeicoamento de Pessoal de Nivel Superior
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In the past, many types of researches have been performed to allow multi-element determinations using atomic absorption 'spectrometry. The first spectrometers developed for this purpose were proposed in the 1970s, using flame and furnace atomizers. In the early 2000s, a spectrorheter equipped with software that allows a fast selection of the hollow cathode lamps was introduced commercially. This equipment operates in a sequential mode, and it enables the determination of up to 16 elements. Many publications have reported its performance. Over the years, many spectrometers were built adding new technologies, but they were discontinued due to low sensitivity, difficulty for background corrections, etc. However, all the efforts of the past have contributed to the development and consolidation of the high-resolution continuum source atomic absorption spectrometry (HR-CS AAS) using flame and furnace atomizers. This technique allows the establishment of sequential and simultaneous methods for determinations of many elements with high sensitivity and efficient background correction. (C) 2017 Elsevier B.V. All rights reserved.
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