Studies on Fluorimetric Reaction of Salicyl aldehyde Isonicotinylhydrazone with Gallium

Abstract

Abstract: The fluorimetric reaction of salicylaldehyde isonicotinylhydrazone with gallium has been studied.The constants for dissociation of the reagent were established.The fluorescence excitation and emission wavelengths of the complex of gallium with the reagent are 395 nm and 480 nm, respectively.The sensitivity of the method is 4.0×10^-4 ppm.The linear range is 0～1.0 μg/10 mL.The molar ratio of gallium to reagent was found to be 1:1.The proposed mathod has been used for the determination of trace gallium in geologic samples with satisfactory results.

Key words: Gallium, Salicylaldehyde isonicotinylhydrazone, Fluorimetry

TrendMD:

CUI Wan-cang, TANG Bo, SHI Hui-ming . Studies on Fluorimetric Reaction of Salicyl aldehyde Isonicotinylhydrazone with Gallium[J]. Chem. J. Chinese Universities, 1992, 13(3): 311.

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Studies on Fluorimetric Reaction of Salicyl aldehyde Isonicotinylhydrazone with Gallium

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