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Phosphorescence Lifetime-Based Sensing of SO2in the Gas Phase

 

作者: DmitryB. Papkovsky,   InnaV. Desyaterik,   GelliV. Ponomarev,   IlyaN. Kurochkin,   Timo Korpela,  

 

期刊: Analytical Letters  （Taylor Available online 1995）
卷期: Volume 28, issue 11  

页码: 2027-2040

 

ISSN:0003-2719

 

年代: 1995

 

DOI:10.1080/00032719508000022

 

出版商: Taylor & Francis Group

 

关键词: sulfur dioxide;gas sensor;fiber-optic;luminescence;phosphorescence;lifetime-based sensor;porphyrins;Langmuir-Blodgett films

 

数据来源: Taylor

 

摘要:

Two different types of solid-state coatings based on the phosphorescent metalloporphyrins - polymer film compositions or Langmuir-Blodgett films - were studied comparatively with respect to their application to sensing of SO2. While the polymer films were only slightly sensitive to SO2, LB-coatings appeared to be highly suitable for analyzing SO2in air in the range 0.01 - 2 % (v/v). Performance characteristics of the new phosphorescence lifetime-based sensor for SO2were studied. Interferences by a number important species on sensing of SO2in gas phase were studied.

 

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