CHARACTERIZATION OF POLYVINYL-CHLORIDE) BARIUM ION-SELECTIVE ELECTRODES WITHOUT AN INTERNAL REFERENCE SOLUTION

• Type: Article in International Scientific Journal
• Date: 1988

Authors

MOODY, GJ (Author) Other; THOMAS, JDR (Author) Other; Lima, JLFC (Author) FFUP; MACHADO, AASC (Author) Other

Journal

Title: The Analyst

Vol. 113

Pages: 1023-1027

ISSN: 0003-2654

Publisher: Royal Society of Chemistry

Indexing

ISI Web of Knowledge - 49 Citations

Scopus - 35 Citations

Other information

Authenticus ID: P-001-TAN

DOI: 10.1039/an9881301023

Abstract (EN): Two types of poly(vinyl chloride) (PVC) barium ion-selective electrodes are compared. Each electrode is based on a sensor formed from the tetraphenylborate of the non-ionic surfactant Antarox CO-880 and its complex with barium (tetraphenylborate complex) and uses 2-nitropnenyl phenyl ether as solvent mediator. The first electrode is an original type, fabricated as a classic PVC model, whereas in the second, the PVC sensor material is applied to the outer surface of an epoxy resin and has no internal filling solution. Apart from the fact that the epoxy-based electrode has a longer lifetime, the two types of ISE possess virtually identical electrochemical properties. The electrodes were also assessed for measuring sulphate by analate subtraction.

Language: English

Type (Professor's evaluation): Scientific

No. of pages: 5