Air Monitoring: New Advances in Sampling and Detection

Figure 6

TD-GC/MS (SIM monitoring) chromatograms. Extracted-ion spectra for (a) CF₄ (m/z 69, CF₃); (b) C₂F₆ (m/z 119, C₂F₅); (c) SF₆ (m/z 127, SF₅); (d) N₂O (m/z 30, NO) from a full-scan analysis of 25 mL of a 100 ppb gas standard [6].

(a)

(b)

(c)

(d)