Research Article
GC-FID and Olfactometry-Assisted Assessment of Odors from Polymeric Foams under Normal and Repeated-Use Conditions
Table 3
Thermal desorption and GC-FID parameters used in the study (same GC used in part 1 of the study [
15]).
| Thermal desorption: short path thermal desorption controller model TD-4, serial J210 | Temperature and time conditions of thermal desorption | Operation | Time (s) | Temperature (°C) | Gas purge time | 300 | — | Injection time | 30 | — | Desorption time | 180 | 200 (initial)-250 (final) | GC start delay | 30 | | Gas chromatograph: Agilent Technologies with FID HPST 4890 GC system | Thermostat | Initial temp (°C) | 40 | Initial time (min) | 2 | Ramp | Temperature rise rate (°C·min-1) | Final temp (°C) | Final time (min) | 8 | 240 | 2 | Run time (min) | 29 | 29 | 29 | Front inlet | Mode | Split | Temp (°C) | 250 | Pressure (kPa) | 62.9 | Split ratio | 40 : 1 | Split flow (mL·min-1) | 47.9 | Total flow (mL·min-1) | 52.6 | Gas type | Nitrogen | Column | Capillary column type: | Agilent HP-5MS (5% phenyl methyl siloxane) | Max. temperature (°C) | 325 | Nominal length (m) | 30 | Nominal diameter (μm) | 320 | Nominal film thickness (μm) | 0.5 | Initial flow (mL·min-1) | 1.2 | Average velocity (cm·sec-1) | 40 | Nominal initial pressure (kPa) | 63 | Outlet | MSD | Outlet pressure | Vacuum | Detectors | Detector A | FID | Detector B | Olfactometry; panel assisted |
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