Potentiometric determination of chloride in vegetables by flow injection analysis

José L.F.C. Lima, António O.S.S. Rangel*, M. Renata S. Souto

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

5 Citations (Scopus)
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Abstract

A flow injection system for the potentiometric determination of chloride (Cl) in vegetables is reported. A tubular chloride ion-selective electrode based on a homogeneous crystalline membrane without inner reference solution was used as indicator electrode. A methodology to minimize the influence of the sample matrix on the electrodes response is described. The results obtained with the developed flow injection manifold are in good agreement with those provided by the reference method and present good precision (relative standard deviations lower than 2%). Sample throughput ranges from 150 to 300 determinations per hour.

Original languageEnglish
Pages (from-to)37-46
Number of pages10
JournalCommunications in Soil Science and Plant Analysis
Volume27
Issue number1-2
DOIs
Publication statusPublished - 1 Jan 1996

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