逆ミセルメディアにおける金属錯体とルミノールの化学発光反応とその分析への適用性

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概要

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• The chemiluminescence (CL) reactions of luminol with complexes of bis(acetylacetonato)oxovanadium(IV) and tris(8-quinolinolato)iron(III) in a reversed micellar medium of cetyltrimethylammonium chloride (CTAC) have been investigated in order to develop a flow CL method for vanadium(IV) and iron(III) determinations based on the coupling of solvent extraction with reversed miceliar-mediated CL detection. First, an enhancement of the CL emission was observed upon mixing the VO(acac)_2 complex in chloroform with the CTAC reversed micellar solution of luminol, even when hydrogen peroxide was absent. The free VO (IV) ion produced transiently from decomposition of the complex at the reversed micellar interface is considered to catalyze the CL oxidation of luminol by dissolved oxygen. Secondly, the CL detection based on the luminol-hydrogen peroxide CL emission, enhanced by the Fe(oxine)_3 complex in reverse micelies, was combined with on-line extraction through the formation of the complex, followed by separation through a microporous Teflon membrane. In a sample solution containing Fe(II) and Fe(III), the addition of a reaction process using hydrogen peroxide to oxidize Fe(II) to Fe(III) prior to the extraction in this flow system provides for the determination of total iron, Fe(II)+Fe(III), while only Fe(III) can be determined by the absence of hydrogen peroxide.

• 社団法人日本分析化学会の論文
• 1999-09-05

著者

• KYAW Theingi

  Department of Chemistry, Faculty of Science, Hiroshima University

• Kyaw Theingi

  Department Of Chemistry Faculty Of Science Hiroshima University

• Kyaw Theingi

  Department Of Chemistry University Of Magway

関連論文

• Heated Quartz Cell Atomic Absorption Spectrometry Coupled with in situ Butylation/Vaporization for the Determination of Iron and Tin
• Reversed Micellar-Mediated Luminol Chemiluminescence Reaction with Bis(acetylacetonato)oxovanadium(IV)
• Reversed Micellar Mediated Luminol Chemiluminescence Detection of Iron(II, III)Combined with On-Line Solvent Extraction Using 8-Quinolinol
• Determination of Thallium by Heated Quartz Cell Atomic Absorption Spectrometry with Tungsten Boat Furnace Vaporizer
• Effect of Oxovanadium(4)Acetylacetonate on the Chemiluminescence Reaction of Luminol in Reverse Micelles (Proceedings of Asianalysis 4--The Fourth Asian Conference on Analytical Sciences)
• 逆ミセルメディアにおける金属錯体とルミノールの化学発光反応とその分析への適用性
• Solid-Phase Ethylation and Vaporization for the Determination of Cobalt by Heated Quartz-Cell Atomic Absorption Spectrometry
• Solid-Phase Butylation and Vaporization for Determination of Lead by Heated Quartz Cell Atomic Absorption Spectrometry
• Low-Temperature Electrothermal Vaporization of an 8-Quinolinolato Complex of Aluminum(III) for Sample Introduction in an Inductively Coupled Plasma Atomic Emission Spectrometric Determination of Trace Aluminum
• Inductively Coupled Plasma Atomic Emission Spectrometry Coupled with in situ Alkylation/Vaporization for the Trace Determination of Zinc

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