International Journal of Analytical Chemistry / 2014 / Article / Fig 9

Research Article

Trace Analysis in End-Exhaled Air Using Direct Solvent Extraction in Gas Sampling Tubes: Tetrachloroethene in Workers as an Example

Figure 9

Representative chromatogram of an end-exhaled air sample from a dry-cleaning worker (machine operator) exposed to tetrachloroethene; tetrachloroethene peak (retention time 5.2 min, m/z 166).
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