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2013 / ȣ: V.25,no.1,Mar |
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Anthraquinone-carbamodithiolate Assembly as Selective Chromogenic Chemosensor for Fe3+
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Anthraquinone-carbamodithiolate Assembly as Selective Chromogenic Chemosensor for Fe3+
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Jin-Seok Bae, Seon-Yeong Gwon1 and Sung-Hoon Kim |
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Jin-Seok Bae, Seon-Yeong Gwon1 and Sung-Hoon Kim |
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Kyungpook National University |
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Kyungpook National University |
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13 ~ 17 : 5 |
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English |
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Abstract: A new assembly derived from 2,3-dibromo-5,6,7,8-tetrafluoroquinizarin and sodium diethyl-carbamodithiolate, was prepared as an efficient Fe3+ colorimetric chemosensor with high selectivity over other cations Fe3+, Na+, Mg2+, Pb2+, Cd2+, Ni2+, Ca2+, Cu2+, Hg2+, Zn2+ : from the dark blue to brown color change that is visible by eyes. This assembly produced large bathochromic shift of 228 nm in the presence of Fe3+ compared with the corresponding absorption maximum of the parent dye.
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Keywords: anthraquinone, Fe3+ sensing, colorimetric, chemosensor, carbamodithiolate, intramolecular charge-transfer dye
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http://www.koreascience.or.kr/article/ArticleFullRecord.jsp?cn=OSGGBT_2013_v25n1_13 |
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