Studies on Fluotimetrid Reaction of Salicylaldehyde Benzalhydrazone with Copper and Its Application

Abstract

Abstract: Anew fluorimetric reagent, salicylaldehyde benzalhydrazone has been established.The fluorimetric reaction of the reagent with copper was carried out in aqueous medium at pH=9.0 and studied in detail. The fluorescence excitation and emission wave-lengthsof the complex are 300 nm and 410 nm respectively. The linear range is 0.0～0.8 μm/10mL,the detection limit is 12. 4 ng/mLand the molar ratio of copper to the reagent is 1:1.The method has been applied to the determination of trace copper in tea and hair with satisfactory results.

Key words: Copper, Salicylaldehyde benzalhydrazone, Fluorimetry

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JIANG Chong-Qiu, TANG Bo, FU Nong-Yan, CAO Hong, ZHANG Xiao-Gang. Studies on Fluotimetrid Reaction of Salicylaldehyde Benzalhydrazone with Copper and Its Application[J]. Chem. J. Chinese Universities, 1996, 17(1): 49.

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Studies on Fluotimetrid Reaction of Salicylaldehyde Benzalhydrazone with Copper and Its Application

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