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Al(III)–Selective Electrode Based on Furil as Neutral Carrier

✍ Scribed by M. F. Mousavi; M. Arvand-Barmchi; M. A. Zanjanchi

Publisher: John Wiley and Sons
Year: 2001
Tongue: English
Weight: 68 KB
Volume: 13
Category: Article
ISSN: 1040-0397
DOI: 10.1002/1521-4109(200109)13:13<1125::aid-elan1125>3.0.co;2-7

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✦ Synopsis

A PVC membrane electrode for aluminum(III) ions based on Furil (ethan dione, di-(2-furyl)) as neutral carrier was prepared. The electrode exhibits a near Nernstian response for Al 3þ ions over a wide concentration range (1.0610 76 to 1.0610 72 mol dm 73 ) with a limit of detection 1.3610 77 mol dm 73 . It has a relatively fast response time and can be used for at least 2 months without any considerable divergence in potentials. The proposed membrane electrode revealed very good selectivity for Al 3þ ions over a wide variety of other cations and could be used in acidic media. It was used as an indicator electrode in potentiometric titration of aluminum ions.

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