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  4. An automatic analyzer for organic compounds in water based on solid-phase microextraction coupled to gas chromatography (SPME-GC)
 
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1999
Journal Article
Title

An automatic analyzer for organic compounds in water based on solid-phase microextraction coupled to gas chromatography (SPME-GC)

Abstract
An automated system for quasi-continuous and on-site monitoring of organic compounds in water is presented. It is based on solid-phase microextraction (SPME) coupled to gas chromatography (GC) using a stopped-flow approach. The analytes are extracted either by direct or headspace SPME. All steps including sampling, sample preparation, extraction, chromatographic separation, and detection are fully automated. Using industrial wastewater as an example, the system was extensively validated both in the laboratory and in the field. Thus, relative standard deviations ranging grom 1 to 7% were found for 24 compounds typically present in the wastewater of a chemical plant in Germany. Unattended operation of the system at a wastewater plant for more than one week is possible. Remote control via modem allows easy access to the system and the analytical data from any place.
Author(s)
Grote, C.
Levsen, K.
Wünsch, G.
Journal
Analytical chemistry  
DOI
10.1021/ac9903656
Language
English
ITA  
Keyword(s)
  • gas chromatography

  • organic compound

  • solid-phase analysis

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