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Visible Colorimetric Fluoride Ion Sensors

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journal contribution
posted on 23.06.2005, 00:00 by Eun Jin Cho, Byung Ju Ryu, Young Ju Lee, Kye Chun Nam
Five new urea derivative naphthalene compounds were synthesized by a reaction of 1,8-diaminonaphthalene and the corresponding isocyanates and showed a distinct color change only when treated with fluoride ions.