Flow injection potentiometry for low level measurements in the presence of sensed ion in the carrier |
| |
| Authors: | Marek Trojanowicz and Wolfgang Frenzel |
| |
| Affiliation: | (1) Department of Chemistry, University of Warsaw, ul. Pasteura 1, PL-02-093 Warsaw, Poland;(2) Institut für Technischen Umweltschutz, Fachgebiet Luftreinhaltung, TU Berlin, Strasse des 17. Juni, D-1000 Berlin 12 |
| |
| Abstract: | Summary A theoretical treatment of the response of ion sensitive electrodes in flow-injection analysis is presented with emphasis on the influence of sample dispersion and the addition of sensed ion to the carrier solution. Guidelines are given for optimal conditions with respect to desired working range and sensitivity, i.e., the slope of the calibration plot. The comparison of predicted data and experimental results obtained with the fluoride and iodide sensitive electrodes showed significant deviations due to slow response. For low dispersion systems (Dmax  1) a method for linearization of the calibration plot is proposed.
Fließinjektions-Potentiometrie für Messungen niedriger Konzentrationen in Gegenwart des zu messenden Ions in der Trägerlösung |
| |
| Keywords: | |
| 本文献已被 SpringerLink 等数据库收录！ |
|
