H2S (Hydrogen sulfide) and sulfured volatile organic compounds - Sources, impact, analyses, treatment processes : Metrology

Metrology
H2S (Hydrogen sulfide) and sulfured volatile organic compounds - Sources, impact, analyses, treatment processes

Author : Pierre LE CLOIREC

Publication date: October 10, 2025 | Lire en français

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4. Metrology

Methods to be adopted for the quantification of $H_{2} S$ in the air depend on the concentration to be measured and the potential presence of other molecules in the gas mixture. Therefore, in the case of high concentrations, direct analysis is possible, whereas in the opposite case, it is necessary to preconcentrate and then separate the target molecules from the sample before measurement. .

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