Determination of Ultratrace Selenium and Arsenic in Drinking Water by Electrochemical Hydride Generation Coupled with Quartz Furnace - Atomic Absorption Spectrometry
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Hranicek, Jakub
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Charles Univ Prague, Prirodovedecka Fak, Katedra Analyt Chem, Prague 12843 2, Czech RepublicCharles Univ Prague, Prirodovedecka Fak, Katedra Analyt Chem, Prague 12843 2, Czech Republic
Hranicek, Jakub
[1
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Cerveny, Vaclav
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Charles Univ Prague, Prirodovedecka Fak, Katedra Analyt Chem, Prague 12843 2, Czech RepublicCharles Univ Prague, Prirodovedecka Fak, Katedra Analyt Chem, Prague 12843 2, Czech Republic
Cerveny, Vaclav
[1
]
Rychlovsky, Petr
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Charles Univ Prague, Prirodovedecka Fak, Katedra Analyt Chem, Prague 12843 2, Czech RepublicCharles Univ Prague, Prirodovedecka Fak, Katedra Analyt Chem, Prague 12843 2, Czech Republic
Rychlovsky, Petr
[1
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[1] Charles Univ Prague, Prirodovedecka Fak, Katedra Analyt Chem, Prague 12843 2, Czech Republic
The aim of this study was to develop a method of Se and As determination in drinking water by electrochemical hydride generation coupled with AAS. Three types of electrolytic cells were constructed and optimized for the determination. Two cells (thin-layer and tubular) were finally chosen for their low inner volume and a high hydride generation efficiency (ca. 90 %). The limits of detection of As(III) and Se(IV) were 0.07 and 0.37 ng ml(-1), respectively. The accuracy of the method was verified using reference materials.
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Univ Nacl San Luis, Fac Quim Bioquim & Farm, Area Quim Analit, Inst Quim San Luis CCT San Luis, RA-5700 San Luis, ArgentinaUniv Nacl San Luis, Fac Quim Bioquim & Farm, Area Quim Analit, Inst Quim San Luis CCT San Luis, RA-5700 San Luis, Argentina
Maratta, Ariel
Acosta, Mariano
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Univ Nacl San Luis, Fac Quim Bioquim & Farm, Area Quim Analit, Inst Quim San Luis CCT San Luis, RA-5700 San Luis, ArgentinaUniv Nacl San Luis, Fac Quim Bioquim & Farm, Area Quim Analit, Inst Quim San Luis CCT San Luis, RA-5700 San Luis, Argentina
Acosta, Mariano
Martinez, Luis D.
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Univ Nacl San Luis, Fac Quim Bioquim & Farm, Area Quim Analit, Inst Quim San Luis CCT San Luis, RA-5700 San Luis, ArgentinaUniv Nacl San Luis, Fac Quim Bioquim & Farm, Area Quim Analit, Inst Quim San Luis CCT San Luis, RA-5700 San Luis, Argentina
Martinez, Luis D.
Pacheco, Pablo H.
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Univ Nacl San Luis, Fac Quim Bioquim & Farm, Area Quim Analit, Inst Quim San Luis CCT San Luis, RA-5700 San Luis, ArgentinaUniv Nacl San Luis, Fac Quim Bioquim & Farm, Area Quim Analit, Inst Quim San Luis CCT San Luis, RA-5700 San Luis, Argentina
Pacheco, Pablo H.
Gil, Raul A.
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Univ Nacl San Luis, Fac Quim Bioquim & Farm, Area Quim Analit, Inst Quim San Luis CCT San Luis, RA-5700 San Luis, ArgentinaUniv Nacl San Luis, Fac Quim Bioquim & Farm, Area Quim Analit, Inst Quim San Luis CCT San Luis, RA-5700 San Luis, Argentina