Fresenius' Zeitschrift für analytische Chemie

, Volume 322, Issue 1, pp 36–41 | Cite as

Automated prevalve dilution in flow-injection analysis

The automated determination of chloride in surface, ground and domestic water
  • Jacobus F. van Staden
Original Papers

Summary

An automated method for the determination of chloride in surface, ground and domestic water based on the concept of flow-injection analysis is described. Samples of a widely varying chloride content up to 800 mg/l are analysed by using an automated prevalve dilution technique. The sampling rate is 92 samples per hour. The method is suitable for the analysis of chloride with a coefficient of variation of better than 1.2%. The measurement is based on the redcoloured iron thiocyanate complex.

Keywords

Iron Chloride Physical Chemistry Analytical Chemistry Inorganic Chemistry 

Automatische Verdünnung vor dem Ventilsystem bei der Fließinjektionsanalyse

Automatische Chloridbestimmung in Oberflächen-, Grund- und Leitungswasser

Zusammenfassung

Wasserproben mit stark schwankenden Chloridgehalten bis zu 800 mg/l wurden mit Hilfe der automatischen Verdünnungstechnik analysiert. Der Probendurchsatz betrug 92 je Stunde. Der Variationskoeffizient ist besser als 1,2%. Die Messung beruht auf der Bildung des rotgefärbten Eisenthiocyanatkomplexes.

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Copyright information

© Springer-Verlag 1985

Authors and Affiliations

  • Jacobus F. van Staden
    • 1
  1. 1.Department of ChemistryUniversity of PretoriaPretoriaSouth Africa

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