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Determination of vanadium (V) in drinking water by flow injection and pre-concentration in a knotted reactor by inductively coupled plasma optical emission spectrometry with ultrasonic nebulization

Wuilloud, Rodolfo German et al · Pergamon-Elsevier Science Ltd · 2000

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Author / responsible party
Wuilloud, Rodolfo German et al
Publisher
Pergamon-Elsevier Science Ltd
Year
2000
ISSN
0584-8547
ISSN
0584-8547
Language
English

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An on-line vanadium pre-concentration and determination system implemented with inductively coupled plasma optical emission spectroscopy (ICP-OES) associated with a flow injection (FI) method with ultrasonic nebulization (USN) system was studied. The vanadium was retained as vanadium-2-(5-bromo-2-pyridylazo)-5-diethylaminophenol V(V)-(5-Br-PADAP) complex, at pH 3.2. The vanadium complex was removed from the knotted reactor (KR) with 30% v/v nitric acid. A sensitivity enhancement factor of 180 was obtained with respect to ICP-OES using pneumatic nebulization (15 for USN and 12 for KR). The value of detection limit for the pre-concentration of 10 ml of aqueous solution was 19 ng l-1. The precision for 10 replicate determinations at the 5 μg 1-1 V(V) level was 2.6% relative standard deviation (R.S.D.), calculated with the peak heights obtained. The calculation graph using the pre-concentration system for vanadium was linear with a correlation coefficient of 0.9995 at levels near the detection limits up to at least 100 μg l-1. The method was successfully applied to the determination of vanadium in drinking water samples. Fil: Wuilloud, Rodolfo German. Universidad Nacional de San Luis. Facultad de Química, Bioquímica y Farmacia. Departamento de Química Analítica; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - San Luis. Instituto de Química de San Luis. Universidad Nacional de San Luis. Facultad de Química, Bioquímica y Farmacia. Instituto de Química de San Luis; Argentina Fil: Salonia, José Antonio. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - San Luis. Instituto de Química de San Luis. Universidad Nacional de San Luis. Facultad de Química, Bioquímica y Farmacia. Instituto de Química de San Luis; Argentina. Universidad Nacional de San Luis. Facultad de Química, Bioquímica y Farmacia. Departamento de Química Analítica; Argentina

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APA 7

Wuilloud, R. G. E. A. (2000). Determination of vanadium (V) in drinking water by flow injection and pre-concentration in a knotted reactor by inductively coupled plasma optical emission spectrometry with ultrasonic nebulization. http://hdl.handle.net/11336/100712

MLA

Wuilloud, Rodolfo German et al. "Determination of vanadium (V) in drinking water by flow injection and pre-concentration in a knotted reactor by inductively coupled plasma optical emission spectrometry with ultrasonic nebulization." 2000. http://hdl.handle.net/11336/100712.

Chicago

Wuilloud, Rodolfo German et al. 2000. "Determination of vanadium (V) in drinking water by flow injection and pre-concentration in a knotted reactor by inductively coupled plasma optical emission spectrometry with ultrasonic nebulization.". http://hdl.handle.net/11336/100712.

Harvard

Wuilloud, R. G. E. A. 2000, Determination of vanadium (V) in drinking water by flow injection and pre-concentration in a knotted reactor by inductively coupled plasma optical emission spectrometry with ultrasonic nebulization, Pergamon-Elsevier Science Ltd, available at: http://hdl.handle.net/11336/100712 [Accessed 7 Aug. 2026].

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Title
Determination of vanadium (V) in drinking water by flow injection and pre-concentration in a knotted reactor by inductively coupled plasma optical emission spectrometry with ultrasonic nebulization
Author / contributors
Wuilloud, Rodolfo German et al
Publisher
Pergamon-Elsevier Science Ltd
Publication year
2000
ISSN
0584-8547
ISSN
0584-8547
Language
English

Subjects

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Vanadium determination; Drinking water; Inductively coupled plasma optical emission spectrometry; Ultrasonic nebulization; Knotted reactor2-(5-bromo-2-pyridylazo)-5-diethylaminophenol reagent; https://purl.org/becyt/ford/1.4; https://purl.org/becyt/ford/1
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