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Potentiometric flow analysis device using membrane-coated carbon rod ion-selective electrode detectors

✍ Scribed by Enju Wang; Satsuo Kamata

Publisher
Elsevier Science
Year
1992
Tongue
English
Weight
435 KB
Volume
261
Category
Article
ISSN
0003-2670

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✦ Synopsis

A flow-through analysis system that utdlzes a membrane-coated carbon rod ion-selective electrode was mvestlgated Electrodes for Cu *+ based on a thmram dlsulpiude neutral carrier and for ClO;, SCN-, NO, and Cl-based on a bls(dlphenylphosphmo)propane-copper complex as Ion exchanger exlublted satisfactory performance m a continuous-flow system The response of the amon electrodes m a flow-mjectlon system was near Nemstian m the concentration range 1O-2-1O-4 or lo-' M Highly reproducible measurements were obtained wth sample volumes of 30-100 ~1 and a sample mjectlon rate of up to 400 h-' The chlonde electrode was smtable for the FIA determmatlon of Cl-m sea water and urme

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✍ B.L. De Backer; L.J. Nagels; F.C. Alderweireldt; P.P. Van Bogaert πŸ“‚ Article πŸ“… 1993 πŸ› Elsevier Science 🌐 English βš– 770 KB

The sensitne detection of organic acids in hqmd chromatographlc (LC) systems remains problematic The behavlour of a potentlometnc detector was studied m this type of analysis, usmg Ion-selectwe PVC-based hqmd membranes One membrane contamed a quaternary ammonmm salt as a earner and another contamed