1998
DOI: 10.2116/analsci.14.479
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Speciation of Selenium Compounds

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Cited by 66 publications
(27 citation statements)
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“…There has been much recent research interest in vanadium connected with a number of developments concerning industry, the environment, and medicine [1][2][3][4][5][6][7][8][9][10][11]. Vanadium has dual character depending on its concentration; it easily switches between the oxidation states +5 and +4 (which, along with +3, are the oxidation states of naturally occurring vanadium compounds) [1].…”
Section: Introductionmentioning
confidence: 99%
“…There has been much recent research interest in vanadium connected with a number of developments concerning industry, the environment, and medicine [1][2][3][4][5][6][7][8][9][10][11]. Vanadium has dual character depending on its concentration; it easily switches between the oxidation states +5 and +4 (which, along with +3, are the oxidation states of naturally occurring vanadium compounds) [1].…”
Section: Introductionmentioning
confidence: 99%
“…3 The main inorganic forms of selenium spread in nature are selenite (SeO3 2-) and selenate (SeO4 2-), but also organic forms could be found mainly as methylated derivatives, selenoaminoacids and selenoproteins. 4 For the reasons pointed out before, the determination of total selenium and its speciation in different kinds of samples is important. Thus, a plethora of analytical methods was proposed, including colorimetry, fluorometry, atomic absorption and emission techniques, potentiometry, voltammetry and chromatography with several kinds of detection.…”
Section: Introductionmentioning
confidence: 99%
“…Thus, a plethora of analytical methods was proposed, including colorimetry, fluorometry, atomic absorption and emission techniques, potentiometry, voltammetry and chromatography with several kinds of detection. 4 On the contrary, proposals referring to screening analysis by using sensor technologies are scarce. Chemical sensors provide information using low-cost technology, mostly without the consumption of reagents and elaborated sample pretreatments.…”
Section: Introductionmentioning
confidence: 99%
“…These methods have been reviewed. [4][5][6][7][8] The hydride generation atomic absorption spectrometry (HGAAS) was usually used for the determination of selenium in urine with a relatively high sensitivity. 9,10 In our previous work, derivative atomic absorption spectrometry (D-AAS) was achieved by combining a laboratory-made derivative measurement system with an atomic absorption spectrometer.…”
Section: Introductionmentioning
confidence: 99%