Research Article

Halogenated Anesthetics Determination in Urine by SPME/GC/MS and Urine Levels Relationship Evaluation with Surgical Theatres Contamination

Figure 4

Internal standard (halothane) peaks obtained with three different types of fibers. The most efficient extraction has been obtained through DVB/CAR/PDMS fiber.
753237.fig.004a
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753237.fig.004b
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