Determination of Uranium using 1-(2-Pyridylazo)-2-naphthol by Adsorptive Stripping Voltammetry

Kim, Kyoung Tae; 김경태; Choi, Won Hyung; 최원형; Lee, Jin Sik; 이진식; Choi, Sung Yung; 최성용

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P-ISSN1225-0163
E-ISSN2288-8985
SCOPUS, ESCI, KCI

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P-ISSN 1225-0163
E-ISSN 2288-8985

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Vol.8, No.3

PubReader Citation

Determination of Uranium using 1-(2-Pyridylazo)-2-naphthol by Adsorptive Stripping Voltammetry

Analytical Science and Technology / Analytical Science and Technology, (P)1225-0163; (E)2288-8985

1995, v.8 no.3, pp.285-292

Kim, Kyoung Tae
Choi, Won Hyung
Lee, Jin Sik
Choi, Sung Yung

Kim, K. T., Choi, W. H., Lee, J. S., & Choi, S. Y. (1995). Determination of Uranium using 1-(2-Pyridylazo)-2-naphthol by Adsorptive Stripping Voltammetry. , 8(3), 285-292.

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Abstract

Uranium has variable oxidation states(${UO_2}^{+2}$, $UO^{+2}$, $U^{+4}$, $U^{+3}$) and 1-(2-Pyridylazo)-2-naphthol forms a very stable chelate with Uranium(${UO_2}^{+2}$). The determination method of Uranium(${UO_2}^{+2}$) in 0.1M Borate buffer(pH 7.10) has been investigated by adsorptive stripping voltammetry. The optimum conditions were PAN concentration of $5{\times}10^{-7}M$, accumulation potential of 0.00V(vs. Ag/AgCl) and accumulation time of 120sec. The calibration curve was linear over the range of $5{\sim}60{\mu}g/L$ and the various metal ions did not interfere with the determination Uranium(${UO_2}^{+2}$) except Cu(II) and Co(II).