1. Differences and performance between chemical analyzers and sensors
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In the field of gas detection, a distinction must be made between analyzers (analytical instruments) and chemical sensors.
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Analyzers
These are generally relatively complex systems, combining mechanical, chemical and electrical components. They are often costly, cumbersome and energy-intensive, making them unsuitable for on-site measurements and large-scale deployment. What's more, these instruments are often plagued by long response times, either due to the detection technique itself, or to the need for sample handling.
This category includes chromatographs and various spectrometers. The main advantages of these instruments are their ability to provide a complete and precise analysis of the gas sample. These instruments can be found in specialized laboratories for the analysis of...
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Differences and performance between chemical analyzers and sensors
General principles of gas-material interactions
Bibliography
Software tools
Tools for characterizing gas sensors: dilution bench
Modeling/simulation tools :
on an atomic scale: Ab-initio and Monté-carlo ;
technologies: CleWin/Cadence for design; Silvaco for processes;
multiphysics: Comsol Multiphysics, ANSYS, CATIA ;
electronics,...
Websites
Club Micro Capteurs Chimiques (CMC 2) )
HAL (open archives)
...Events
At national level, a number of research organizations, institutions and associations organize workshops/seminars on air pollution and quality, industrial leakage control, measurement tools and sensors. Examples include FIMEA, Alliance nationale de la recherche pour l'environnement (AllEnvi) Atmos'Fair ( http://www.atmosfair.fr ), which organizes...
Standards and norms
- pour le gaz CO - Norme EN50291 -
Regulations
French regulations specify how European directives are to be implemented. https://www.airparif.fr/la-reglementation-en-france
Given that this is a major public health issue, there are standards governing air quality in public and private (indoor) premises.
Three levels of regulation...
Patents
Electronic nose gas sensitive chromatographic information fusion and flavor substance on-site detection and analysis method
WO US CN CN111443161B
Priority 2020-01-23 • Filed 2020-01-23 • Granted 2021-01-05 • Published 2021-01-05
Odor identification method based on gas sensor and deep learning
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Club MicroCapteurs Chimiques (CMC2)
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