Abstract
A rapid and efficient Raman-based method to identify potential thiol scavengers for oil and gas applications is described. The procedure was validated using the nucleophilic addition of ethanethiol (EtSH) to several commercial hydrogen sulfide (H2S) scavengers under sonication conditions at room temperature. A success metric was defined by the appearance of a strong C–S–C band in the Raman spectrum of the reaction mixture associated with the formation of a new thioether functionality. The simplicity of the method facilitates the sampling of a wide variety of substrates as well as the introduction of multiple variations to the original test protocol, such as the use of different solvents, sources of energy, the addition of catalysts, and temperature changes.
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