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	Potentiometric measurement of ascorbate by using a solvent polymeric membrane electrode
	Guo, Huimin1,2; Yin, Tanji1; Su, Qingmei1; Qin, Wei1
刊名	TALANTA
	2008-05-15
卷号	75期号:3页码:851-855
关键词	Potentiometry Ion Selective Electrodes Ion Fluxes Polymeric Membranes Ascorbate Irreversible Chemistries
通讯作者	Qin, W, Chinese Acad Sci, Yantai Inst Coastal Zone Res Sustainable Dev, Environm Chem Lab, POB 1488, Yantai 264003, Peoples R China
产权排序	Chinese Acad Sci, Yantai Inst Coastal Zone Res Sustainable Dev, Environm Chem Lab;Dalian Univ Technol, Sch Chem Engn, Dept Chem
文献子类	Article
英文摘要	A novel potentiometric method for the determination of ascorbate is described in this communication. It is based on ascorbate oxidation with permanganate which is continuously released from the inner reference solution of a ligand-free tridodecylmethyl ammonium chloride (TDMAC)-based polymeric membrane ion selective electrode (ISE). The ISE potential determined by the activity of permanganate ions released at the sample-membrane phase boundary is increased with the consumption of permanganate. The proposed membrane electrode is useful for continuous and reversible detection of ascorbate at concentrations in 0.1 M NaCl ranging from 1.0 x 10(-6) to 1.0 x 10(-3) M with a detection limit of 2.2 x 10(-7) M. (C) 2007 Elsevier B.V. All rights reserved.
学科主题	Chemistry ; Analytical
WOS关键词	ION-SELECTIVE ELECTRODES ; LOWER DETECTION LIMIT ; NEW-WAVE ; SENSORS ; FLUXES ; BIOSENSOR ; DIFFUSION ; ACID
WOS研究方向	Chemistry
语种	英语
WOS记录号	WOS:000255828800038
内容类型	期刊论文
源URL	[http://ir.yic.ac.cn/handle/133337/3454]
专题	烟台海岸带研究所_近岸生态与环境实验室
作者单位	1.Chinese Acad Sci, Yantai Inst Coastal Zone Res Sustainable Dev, Environm Chem Lab, Yantai 264003, Peoples R China 2.Dalian Univ Technol, Sch Chem Engn, Dept Chem, Dalian 116024, Peoples R China
推荐引用方式 GB/T 7714	Guo, Huimin,Yin, Tanji,Su, Qingmei,et al. Potentiometric measurement of ascorbate by using a solvent polymeric membrane electrode[J]. TALANTA,2008,75(3):851-855.
APA	Guo, Huimin,Yin, Tanji,Su, Qingmei,&Qin, Wei.(2008).Potentiometric measurement of ascorbate by using a solvent polymeric membrane electrode.TALANTA,75(3),851-855.
MLA	Guo, Huimin,et al."Potentiometric measurement of ascorbate by using a solvent polymeric membrane electrode".TALANTA 75.3(2008):851-855.

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