Research Article
Characterization of Odorous Compounds (VOC and Carbonyl Compounds) in the Ambient Air of Yeosu and Gwangyang, Large Industrial Areas of South Korea
Table 1
Analytical conditions for VOC with thermodesorption GC/MSD.
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Thermal desorber UNITY/ULTRA (Markes, UK) |
GC/MSD (HP6890/5973, Hewlett Packard, USA) |
| Oven temp. | 300°C | GC column | Rtx-1 (0.32 mm, 105 m, 1.5 m) | Desorb time | 10 min | Initial temp. | 50°C (10 min) | Desorb flow | 50 mL/min | Oven ramp rate | 5°C/min | Cold trap holding time | 5 min | Final temp. | 250°C (5 min) | Cold trap high temp. | 320°C | Post run | 250°C (5 min) | Cold trap low temp. | −10°C | Column flow | 1.13 mL/min | Cold trap packing | Tenax TA/carbopack B | Detector type | Quadropole | Min. pressure | 12 psi | Q-pole temp. | 150°C | Inlet split | No | MS Source temp. | 230°C | Outlet split | 10 mL/min | Mass range | 35~300 amu | Valve and line temp. | 180°C | Electron energy | 70 eV |
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