Analysis of low concentration reduced sulfur compounds (RSCs) in air: storage issues and measurement by gas chromatography with sulfur chemiluminescence detection.

@article{Khan2012AnalysisOL,
  title={Analysis of low concentration reduced sulfur compounds (RSCs) in air: storage issues and measurement by gas chromatography with sulfur chemiluminescence detection.},
  author={Mohd. Ashfaque Khan and M Edward Whelan and Robert C. Rhew},
  journal={Talanta},
  year={2012},
  volume={88},
  pages={581-6}
}
Reduced sulfur compounds (RSCs) were measured at low concentrations in small volume air samples using a cryo-trapping inlet system and gas chromatograph outfitted with a sulfur chemiluminescence detector (GC-SCD). The relative sensitivity of the system to the RSCs follows the sequence H(2)S<CH(3)SH<OCS∼DMS<CS(2). The analytical system achieves a detection limit of 120ppt in a 100mL air sample, which is suitable for measuring reactive RSCs (e.g., H(2)S and CH(3)SH) at ambient or near ambient… CONTINUE READING

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