Hydrogen sulfide (H2S) gas can cause nausea, headaches,
unconsciousness and death. Industries struggle to detect this deadly substance before it harms workers or communities. Safety system manufacturers have developed detectors that sense the H2S quickly and accurately.
This paper illustrates, in general terms, considerations in effective placement of H2S detectors: applications where
the gas might exist and environmental conditions to think
about. In addition, the paper reviews limits, strengths,
and applications of the H2S gas detection sensor technologies: electrochemical, metal oxide semiconductor (MOS) and optical.
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