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  4. Colorimetric detection of hydrogen sulfide in ambient air
 
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2018
Journal Article
Title

Colorimetric detection of hydrogen sulfide in ambient air

Abstract
We present a fast method to monitor hydrogen sulfide (H2S) in ambient air based on a visible color change. Therefore, an immobilized copper(II) complex of the azo dye 1-(2-pyridylazo)-2-naphtol (H-PAN) was synthesized and prepared in a matrix for screen printing. Different materials, reaching from opaque paper to transparent foils served as substrate. The reaction of the copper(II) complex (Cu-PAN) to the target gas H2S was measured in reflection via UV/VIS spectroscopy.
Author(s)
Engel, Laura  
Fraunhofer-Institut für Physikalische Messtechnik IPM  
Tarantik, Karina
Fraunhofer-Institut für Physikalische Messtechnik IPM  
Pannek, Carolin  
Fraunhofer-Institut für Physikalische Messtechnik IPM  
Wöllenstein, Jürgen  
Fraunhofer-Institut für Physikalische Messtechnik IPM  
Journal
Proceedings. MDPI AG  
Conference
Eurosensors Conference 2018  
Open Access
DOI
10.3390/proceedings2130804
Additional full text version
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Language
English
Fraunhofer-Institut für Physikalische Messtechnik IPM  
Keyword(s)
  • colorimetric sensor

  • hydrogen sulfide detection

  • Cu-PAN complex

  • screen printing

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