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 년도별 목차보기 |
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| 발행년도/권호 |
2009 년 / 권호: V.21,no.5,Oct |
| 논문제목1(원어) |
Detection of Heavy Metal Ions in Aqueous Solution Using Direct Dye Chemosensors |
| 논문제목2(타언어) |
Detection of Heavy Metal Ions in Aqueous Solution Using Direct Dye Chemosensors |
| 저자(원어) |
Eun-Yeong Heo, Young-Il Ko and Jin-Seok Bae |
| 저자(타언어) |
Eun-Yeong Heo, Young-Il Ko and Jin-Seok Bae |
| 소속(원어) |
Kyungpook national universty |
| 소속(타언어) |
Kyungpook national universty |
| 시작/끝
페이지 |
51 ~ 57 총페이지 : |
| 언어(원어) |
English |
| 초록 |
Since heavy metal pollution is a significant global environmental problem and very dangerous to human health,
the improved methods for detecting heavy metals are required recently. Colorimetric chemosensors are now considered as
one of the most effective analytical method used in the environment monitoring. New direct dyes having the function of
colorimetric chemosensors were synthesized. When metal ions such as Al3+, Ca2+, Cd2+, Cr3+, Cu2+, Fe2+, Fe3+, Hg2+, Li+,
Mg2+, Na+, Ni2+, Pb2+ and Zn2+ were added each solution of new direct dyes, the color of solution was changed and can
be easily detected with naked eyes without expensive experimental equipment such as atomic absorption spectrometer (AAS)
or inductively coupled plasma뻧ass spectrometer (ICP-MS). The new benzidine analogues were diazotized and reacted with
couplers such as H-acid, J-acid, Chromotropic acid, Nevill-winther acid and gamma acid to synthesize new direct dyes. The
structures of the new direct dyes were confirmed by high resolution mass spectrometer (FAB ionization) and evaluated with
UV-Vis spectroscopy. The UV-VIS spectroscopy was measured for the dye solutions by adding various concentrations of
metal ions. It was observed that the absorbance in UV-Vis spectra was changed as the heavy metal ions were added. |
| 키워드 |
chemosensor, heavy metals, colorimetric sensor, direct dye, benzidine analogue |
| 학회지 |
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| Reference |
http://www.koreascience.or.kr/article/ArticleFullRecord.jsp?cn=OSGGBT_2009_v21n5_51 |
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