Preconcentration and Determination of Cobalt(II) in Natural Waters using Silica Gel Loaded with 2-Mercaptobenzothiazole

최희선; 최종문

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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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17권 6호

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2-Mercaptobenzothiazole이 흡착된 Silica Gel을 이용한 자연수 중의 코발트(II)의 농축 및 정량

Preconcentration and Determination of Cobalt(II) in Natural Waters using Silica Gel Loaded with 2-Mercaptobenzothiazole

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

2004, v.17 no.6, pp.532-535

최희선 (동해대학교)
최종문 (한중대학교)

최희선, & 최종문. (2004). 2-Mercaptobenzothiazole이 흡착된 Silica Gel을 이용한 자연수 중의 코발트(II)의 농축 및 정량. , 17(6), 532-535.

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Abstract

A method on the determination of Co(II) after adsorbing of Co(II) on 2-mercaptobenzothiazole-loaded silica gel was studied. The conditions on the separation of Co(II) such as pH of solution, the amount of 2-mercaptobenzothiazole, the flow rate for adsorption, and the desorption solvent were optimized to 9.0, 0.05 g, $10mL\;min^{-1}$ and 1 M $HNO_3$ in ethanol, respectively. Under these optimum conditions, the calibration curve of Co(II) was obtained over concentration range of $2{\sim}120ng\;mL^{-1}$. The detection limit was $0.6ng\;mL^{-1}$. Recovery yields of Co(II) in various natural water samples were more than 90%.

keywords: cobalt, 2-mercaptobenzothiazole, silica gel, preconcentration

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2-Mercaptobenzothiazole이 흡착된 Silica Gel을 이용한 자연수 중의 코발트(II)의 농축 및 정량

Preconcentration and Determination of Cobalt(II) in Natural Waters using Silica Gel Loaded with 2-Mercaptobenzothiazole

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