1981
DOI: 10.1021/ac00236a018
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Determination of arsenic and selenium in water, fish, and sediments by inductively coupled argon plasma emission spectrometry

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Cited by 56 publications
(8 citation statements)
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“…Strong oxidants, interference of transition and noble metals and other species, including ions of other volatile hydride-forming elements can produce deleterious effects on hydride generation [1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,20,21,22,23,24]. It is well known that interferences of transition metals are the most severe and therefore must extensively studied.…”
Section: Plasma Robustnessmentioning
confidence: 99%
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“…Strong oxidants, interference of transition and noble metals and other species, including ions of other volatile hydride-forming elements can produce deleterious effects on hydride generation [1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,20,21,22,23,24]. It is well known that interferences of transition metals are the most severe and therefore must extensively studied.…”
Section: Plasma Robustnessmentioning
confidence: 99%
“…This was replaced with a conventional Scott type spray chamber. Although they achieved extremely high tolerance levels of the transition metals in selenium hydride generation, the LOD decreased by one order of magnitude with respect to conventional hydride generation techniques [2,3,4,12,13,14] and those of similar type [9].…”
Section: Introductionmentioning
confidence: 97%
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“…Goulden et al 6 have described a continuous-flow semiautomated system for the determination of arsenic (and selenium) in river sediments. By use of a fourfold preconcentration step, detection limits of 0.02 μg L −1 were achieved for arsenic.…”
Section: Inductively Coupled Plasma Atomic Emission Spectrometrymentioning
confidence: 99%
“…Previous work on the composition of coffee and its products is mainly concerned with the mineral contents and studies on toxic elements are scarcely reported (Clarke et al, 1974;Gillies et al, 1983;Horwitz et al, 1974;Kuennen et al, 1982;Kapur et al, 1974;Koch et al, 1989;Lara et al, 1975/76). No information exists on the content of arsenic and selenium in this product although a number of publications (Goulden et al, 1981;Nakahara et al, 1985;Nakahara, 1981;Nygaard et al, 1982;Oliveira et al, 1983;Pahlavanpour et al, 1980;Ybanez et al, 1992) demonstrated that hydride generation, followed by introduction of gaseous hydrides into an ICP was a suitable method for the determination of several trace elements, including arsenic and selenium, for which detection limits were inadequate for foods and related matrices when conventional pneumatic nebulization was used. The objective of this work was to develop a method for the evaluation of arsenic and selenium in soluble coffee by inductively coupled plasma atomic emission spectrometry with hydride generation in order to attend the Brazilian food legislation.…”
Section: Introductionmentioning
confidence: 99%