]>Determining the Levels of Volatile Organic Pollutants in Urban Air Using a Gas Chromatography-Mass Spectrometry Method : Figure 1
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Figure 1: Example chromatogram of sample extract # 1: separation of deuterated benzene (IS) and of the BTEX analytes on capillary column DB-5 30 m × 0.25 mm × 0.25 𝜇 m. Temperature: 30°C ( 5 ) to 150°C at 7°C/min, then to 270°C, at 20°C/min.