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A quartz crystal microbalance sensor for the determination of nitroaromatics in landfill gas

Authors
Journal
Talanta
0039-9140
Publisher
Elsevier
Publication Date
Volume
51
Issue
6
Identifiers
DOI: 10.1016/s0039-9140(00)00292-7
Keywords
  • Landfill Gas
  • Nitroaromatics
  • Quartz Crystal Microbalance
  • Copper(Ii)Phthalocyanine

Abstract

Abstract A new sensor based on oxidative combustion of nitroaromatics to NO 2 and its detection with a quartz crystal microbalance (QCM) coated with copper phthalocyanine (CuPc) was developed for determination of nitroaromatics in landfill gas. An alternative method based on gas chromatography–mass spectrometry (GC–MS) was also used in order to assess the performance of the proposed method. The results show that the analytical apparatus based on the QCM is less expensive than the GC–MS, and that the analytical error is 0.8% for both methods.

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