International Journal of Analytical Chemistry / 2014 / Article / Fig 8

Research Article

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

Figure 8

Results of the storage test of end-exhaled air samples over seven days; per level per day; mean concentration of the start day (Day 0) defined as 100%.

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