- P-ISSN 1225-0163
- E-ISSN 2288-8985
- 권한신청
- P-ISSN1225-0163
- E-ISSN2288-8985
- SCOPUS, ESCI, KCI
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Quinalizarin-β-cyclodextrin 내포 착물을 이용한 수용액 시료의 흔적량 Co(II)의 분광형광법 정량
Spectrofluorimetric determination of trace Co(II) in aqueous samples with quinalizarin-β-cyclodextrin inclusion complex
분석과학 / Analytical Science and Technology, (P)1225-0163; (E)2288-8985
2015, v.28 no.4, pp.255-259
https://doi.org/10.5806/AST.2015.28.4.255
(수원대학교 자연과학대학 화학과)
(수원대학교)
(수원대학교)
백현정,
&
최희선.
(2015). Quinalizarin-β-cyclodextrin 내포 착물을 이용한 수용액 시료의 흔적량 Co(II)의 분광형광법 정량. 분석과학, 28(4), 255-259, https://doi.org/10.5806/AST.2015.28.4.255
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Abstract
A technique on the determination of Co(II) in aqueous samples with quinalizarin-β-cyclodextrin inclusion complex was developed. The conditions such as pH of the sample solution, the concentration of quinalizarin and the concentration of β-CD were optimized to 11.3(±0.2), 1.2×10−6 M and 8.0×10−6 M, respectively. Under these optimum conditions, the calibration curve of Co(II) was obtained over concentration range of 5.0×10−9 ~ 1.2×10−7 M. The detection limit was 4.2×10−9 M (0.25 ng/mL). For validating this proposed technique, aqueous samples(stream water, reservoir water and tap water) were used. Recovery yields of 95~105% were obtained. The relative standard deviation(%) in aqueous samples were less than 7.0%. Based on experimental results, it is proposed that this technique can be applied to the practical determination of Co(II).
- keywords
- Co(II) determination, quinalizarin, β, -cyclodextrin, spectrofluorimetry
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