International Journal of Analytical Chemistry / 2014 / Article / Fig 3

Research Article

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

Figure 3

Sampling end-exhaled air with a gas sampling tube; mouthpiece screwed on; left hand: one of two sealing caps with septum; plastic net sleeve to protect glass.

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