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Title: Spectrofluorimetric determination of aluminium (III) with the use 8-oxyhinolin
Authors: Savos’ko, I. V.
Keywords: спектрофлуориметрия
флуоресцентная спектроскопия
определение алюминия
органические реагенты
Issue Date: 2015
Publisher: BSTU
Citation: Savos’ko, I. V. Spectrofluorimetric determination of aluminium (III) with the use 8-oxyhinolin / I. V. Savos’ko // Proceedings of BSTU. No. 4. – Minsk : BSTU, 2015. – P. 72-76
Description: The procedure of aluminium (III) spectrofluorimetric determination in foodstuffs with the use of 8-oxyhinolin is developed. The promising use of 8-oxyhinolin is shown for aluminium (III) determination. At the development procedure the conditions of photometric reaction realization were optimized. The optimal medium creation method, analytical reagent concentration, conditio ns of steady aluminium complexes with reagent formation (time of color de velopment, pH value, temperature-temporal pa-rameters of solutions pretreatment, conditions of extraction) were investigated. The research of analytical signal measuring choice (intensities of luminescence) was conducted. The values of initial and eventual wavelengths of regist ration and excitation monochromators are set, the excitation and emitting spectrums of 8-oxyhinolin and its complex with aluminium (III) are measured. Studies of possibility of eliminating mixing ions are undertaken when analysing the real objects. 8-oxyhinolin forms complexes with many metals, therefore they must be preliminary separated on the stage tests preparation or in the process of realization of complex extraction. Dependence of analytical signal is studied on the con centration of analyzable complex in the range of concentrations (1 −10)·10{−5} mol/l. Chloroform solution of 8-oxyhinolin is used as solution of comparison. The worked out methodology can be applied in analytical laboratories to certify the quality of foodstuff.
Appears in Collections:2015, № 4

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