Detection of Ammonia in Liquids Using Millimeter Wave Spectroscopy

Author:

Ozturk Hilmi1,Nazli Hakki1,Yegin Korkut2,Sezgin Mehmet1

Affiliation:

1. The Scientific and Technological Research Council of Turkey, Gebze, Kocaeli, Turkey

2. Department of Electrical and Electronics Engineering, Yeditepe University, Istanbul, Turkey

Abstract

Detection of ammonia plays a vital role for counter-bioterrorism applications. Using millimeter wave absorption measurements, ammonia dissolved in water solution is analyzed and compared to water-only solution. The inversion of ammonia molecule results in split rotational spectral lines and transitions of these lines can be detected. Two-port measurements were carried out with vector network analyzer and measurements revealed that ammonia presence can be identified, especially between 30–35 GHz.

Publisher

Hindawi Limited

Subject

General Materials Science,Renewable Energy, Sustainability and the Environment,Atomic and Molecular Physics, and Optics,General Chemistry

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