Flow Injection Analysis

Elo Harald Hansen

Research output: Chapter in Book/Report/Conference proceedingBook chapterResearchpeer-review


This chapter provides an introduction to automated chemical analysis, which essentially can be divided into two groups: batch assays, where the solution is stationary while the container is moved through a number of stations where various unit operations performed; and continuous-flow procedures, where the system is stationary while the solution moves through a set of conduits in which all required manipulations are performed. Emphasis is placed on flow injection analysis (FIA) and its further developments, that is, sequential injection analysis (SIA) and the Lab-on-Valve (LOV) approach. Since FIA is based on the creation of a concentration gradient of the injected sample solution and on reproducible and precise timing of all events, it allows exploitation of a transient read-out. This in turn implies that not only does FIA allow the augmentation of existing analytical techniques, but it permits thr execution of novel and unique analytical procedures which are difficult or even impossible by conventional means. The performance and applicability of FIA, SI and LOV are illustrated by a series of practical examples.
Original languageEnglish
Title of host publicationAnalytical Chemistry : A Modern Approach to Analytical Science
Place of PublicationWeinheim, Germany
Publication date2004
ISBN (Print)3-527-30590-4
Publication statusPublished - 2004


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