Chromatographia

, Volume 71, Issue 9–10, pp 953–955 | Cite as

Improved On-Column Injection System and Large Volume Needle Trap Device Used in Water Headspace Analysis

  • Peter Tölgyessy
  • Ján Hrivňák
  • Eva Král’ovičová
  • Danica Barloková
Full Short Communication

Abstract

An improvement of the on-column injection system for the use of large diameter inside needle capillary adsorption trap devices is presented. A modified glass liner in combination with a gas tight glass fitting, used in the conventional split/splitless gas chromatographic inlet, enables to keep impurities desorbing from the outside of the needle trap and septum from being injected into the analytical GC column. The performance of the system was verified by headspace analysis of model and real water samples for benzene, toluene, ethylbenzene and xylenes. The analytical method shows good linearity, repeatability, sensitivity and advantages such as simplicity, low cost and feasibility.

Keywords

Gas chromatography Headspace analysis On-column injection Needle trap device Water analysis 

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Copyright information

© Vieweg+Teubner Verlag | Springer Fachmedien Wiesbaden GmbH 2010

Authors and Affiliations

  • Peter Tölgyessy
    • 1
  • Ján Hrivňák
    • 2
    • 3
  • Eva Král’ovičová
    • 4
  • Danica Barloková
    • 5
  1. 1.Slovak National Water Reference LaboratoryWater Research InstituteBratislavaSlovak Republic
  2. 2.Expertise and Analytical ServicesBratislavaSlovak Republic
  3. 3.Research Institute of Viticulture and EnologyBratislavaSlovak Republic
  4. 4.Regional Authority of Public Health ServiceBratislava Capital of the Slovak, RepublicBratislavaSlovak Republic
  5. 5.Department of Sanitary and Environmental EngineeringFaculty of Civil Engineering, Slovak University of TechnologyBratislavaSlovak Republic

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