NDLI: Modified Glassy-Carbon Electrodes for the Flow-Injection Determination of Inorganic Tin Species by Stripping Voltammetry

Content Provider	Springer Nature Link
Author	Shpigun, L. K. Lunina, V. K.
Copyright Year	2003
Abstract	The behavior of tin(II, IV) chloride species on an unmodified glassy-carbon electrode, and on or at film electrodes obtained by the electrooxidative modification of a glassy-carbon surface, in solutions of some polyphenols and other hydroxyl-containing aromatic compounds (salicylic acid and morin) was studied by cyclic voltammetry. The optimum conditions were found for the potentiostatic formation of films reproducible in thickness in the cyclic hydrodynamic mode. A comparison of the results of the studies demonstrated the effect of hydrophobic film nature on the redox processes observed in Sn(II, IV) and Pb(II) chloride solutions at different pHs. All the electrodes proposed preconcentrated tin(II) from flow solutions without applying a polarization voltage. The interfering effect of lead(II) was minimized by selecting an appropriate accumulation medium. The modified electrodes prepared by the electrooxidation of pyrogallol and morin were used for the flow-injection determination of trace amounts of Sn(II) in the presence of Sn(IV) and Pb(II) and for the determination of the total inorganic tin in model solutions by anodic stripping voltammetry.
Starting Page	1078
Ending Page	1084
Page Count	7
File Format	PDF
ISSN	10619348
Journal	Journal of Analytical Chemistry
Volume Number	58
Issue Number	11
e-ISSN	16083199
Language	English
Publisher	Kluwer Academic Publishers-Plenum Publishers
Publisher Date	2003-01-01
Publisher Place	New York
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Analytical Chemistry
Content Type	Text
Resource Type	Article
Subject	Analytical Chemistry

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