2000
DOI: 10.1016/s0026-265x(00)00058-8
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Field instrumentation in atomic spectroscopy

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Cited by 101 publications
(55 citation statements)
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“…[8][9][10] For over 20 elements that have been determined by W-Coil AAS, the LODs are even better than or within a factor of ten of those by traditional graphite furnace ETAAS, while the LDRs remain unaffected. 10,11 Usually, an electrodeless discharge lamp (EDL) or a hollow cathode lamp (HCL) is used as a light source, but recently a diode laser has also been employed in W-Coil AAS, resulting in LDRs of three to four orders of magnitude. 12 Most often, a photomultiplier tube (PMT) is used as a detector.…”
Section: Introductionmentioning
confidence: 99%
See 1 more Smart Citation
“…[8][9][10] For over 20 elements that have been determined by W-Coil AAS, the LODs are even better than or within a factor of ten of those by traditional graphite furnace ETAAS, while the LDRs remain unaffected. 10,11 Usually, an electrodeless discharge lamp (EDL) or a hollow cathode lamp (HCL) is used as a light source, but recently a diode laser has also been employed in W-Coil AAS, resulting in LDRs of three to four orders of magnitude. 12 Most often, a photomultiplier tube (PMT) is used as a detector.…”
Section: Introductionmentioning
confidence: 99%
“…Interested readers are referred to the authors' recent review articles for further details. 10,11 Laser excited atomic fluorescence spectrometry (LEAFS) is a powerful analytical method that combines exceptionally high sensitivity and selectivity. The use of high intensity laser excitation as opposed to conventional source excitation provides a critical analytical advantage.…”
Section: Introductionmentioning
confidence: 99%
“…The small size, minimal power requirements, and low cost make W-coil devices attractive for field applications. [7][8][9] A portable tungsten coil atomic absorption spectrometry (WCAAS) device was developed in the early 1990s. The device measured 19 × 8 × 3 inches and was powered by a car battery.…”
Section: Introductionmentioning
confidence: 99%
“…Sem dúvida, as metodologias mais utilizadas para estes propósitos atualmente são a Espectrometria de Absorção Atômica (AAS), a Espectrometria de Emissão Atômica com uso de plasma (ICP-AES) e a Análise por Ativação Neutrônica (NAA). A necessidade de um reator nuclear para NAA, a da preparação exaustiva de amostra para AAS e ICP-AES, quando comparada à Fluorescência de Raios x por Dispersão em Energia (EDXRF), estimula o interesse em direção à EDXRF em pesquisas ambientais (HOU, JONES, 2000). A EDXRF é uma técnica não destrutiva e multi-elementar, que pode ser aplicada a qualquer tipo de amostra, liquida, sólida, espessa ou fina, em muitos casos com sensibilidade suficiente para quantificação de diversos elementos (CESAREO, CASTELLANO;CUEVAS, 1998) A técnica de XRF é um método bem estabelecido na área de pesquisas ambientais, sendo uma das técnicas de espectrometria atômica que podem ser adaptadas para uso em campo com equipamentos portáteis (IVANOVA, DJINGOVA, KULLEF, 1998).…”
Section: Introductionunclassified