Fresenius' Zeitschrift für analytische Chemie

, Volume 329, Issue 6, pp 668–674 | Cite as

Potential of modified reverse flow injection analysis for continuous monitoring and process control

  • Wolfgang Frenzel
Lectures and posters


Modified reverse flow injection analysis is introduced as a novel means for monitoring purposes and online process control. The technique is based on the injection of standard solutions into the continuously flowing sample stream. The transient detector response occurring shortly after the injection reflects the deviation between the analyte concentration of the sample stream and the standard injected. Interpolative calibration and the check of nominal values are two interesting execution modes presented. The beneficial features of the novel approach are discussed and exemplarily demonstrated for practical problems. Experimental conditions are given for the photometric determination of chloride in tap water, phosphate in surface water and the potentiometric determination of fluoride. The respective advantages over common monitoring systems are outlined.


Fluoride Process Control Practical Problem Continuous Monitoring Analyte Concentration 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

Einsatzmöglichkeiten der modifizierten Umkehrfließinjektions-Analyse zur kontinuierlichen überwachung und Prozeßsteuerung


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Copyright information

© Springer-Verlag 1988

Authors and Affiliations

  • Wolfgang Frenzel
    • 1
  1. 1.Hahn-Meitner Institut GmbH, Spurenelemente in Gesundheit und ErnährungBerlin 39

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