GC Chromatograms
GC Chromatograms
GC Chromatograms
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<strong>GC</strong> CHROMATOGRAMS | FOOD SAFETY<br />
Packaging Volatiles<br />
Food Packaging Volatiles by Purge & Trap <strong>GC</strong>-MS on Rtx®-5MS<br />
(Purge & Trap <strong>GC</strong>-MS)<br />
Peaks<br />
1. Ethyl acetate<br />
2. Toluene<br />
3. 4-Heptanone<br />
4. n-Butyl ether<br />
5. Styrene<br />
6. Alkanes<br />
Column Rtx®-5MS, 30 m, 0.25 mm ID, 1.00 μm (cat.# 12653)<br />
Sample<br />
Overwrap, inner bowl<br />
Injection Purge and trap split (split ratio 20:1)<br />
Liner:<br />
1 mm ID<br />
Inj. Temp.: 250 °C<br />
Purge and Trap<br />
Instrument: Tekmar LSC-3100 purge & trap<br />
Trap Type: Vocarb 3000, type K<br />
Purge:<br />
10 min @ 60 °C, flow 40 mL/min<br />
Dry Purge: 3 min, flow 40 mL/min<br />
Desorb Preheat<br />
Temp.: 220 °C<br />
Desorb:<br />
2 min @ 245 °C, flow 40 mL/min<br />
Bake: 6 min @ 230 °C<br />
Interface<br />
Connection: Injection port<br />
Transfer Line<br />
Tubing: Siltek®/Sulfinert® tubing (cat.# 22501)<br />
Oven<br />
Oven Temp: 50 °C to 92 °C at 3 °C/min to 220 °C at 20 °C/min (hold 1 min)<br />
Carrier Gas He, constant flow<br />
Flow Rate: 1 mL/min<br />
Linear Velocity: 36 cm/sec<br />
Detector<br />
MS<br />
Mode:<br />
Scan<br />
Source Temp.: 280 °C<br />
Electron Energy: EI @ 70 eV<br />
Scan Range: 35-260 amu<br />
Instrument HP6890 <strong>GC</strong> & 5973 MSD<br />
<strong>GC</strong>_FF00462<br />
Food Packaging Volatiles by Purge & Trap <strong>GC</strong>-MS on Rtx®-5MS<br />
(Purge & Trap <strong>GC</strong>-MS)<br />
Peaks<br />
1. Tetrahydrofuran<br />
2. Ethylbenzene<br />
3. 4-Heptanone<br />
4. Styrene<br />
5. Benzaldehyde<br />
6. Nonanal<br />
7. Decanal<br />
8. Cinnamaldehyde<br />
Column Rtx®-5MS, 30 m, 0.25 mm ID, 1.00 μm (cat.# 12653)<br />
Sample<br />
Overwrap, lid of bowl<br />
Injection Purge and trap split (split ratio 20:1)<br />
Liner:<br />
1 mm ID<br />
Inj. Temp.: 250 °C<br />
Purge and Trap<br />
Instrument: Tekmar LSC-3100 purge & trap<br />
Trap Type: Vocarb 3000, type K<br />
Purge:<br />
10 min @ 60 °C, flow 40 mL/min<br />
Dry Purge: 3 min, flow 40 mL/min<br />
Desorb Preheat<br />
Temp.: 220 °C<br />
Desorb:<br />
2 min @ 245 °C, flow 40 mL/min<br />
Bake: 6 min @ 230 °C<br />
Interface<br />
Connection: Injection port<br />
Transfer Line<br />
Tubing: Siltek®/Sulfinert® tubing (cat.# 22501)<br />
Oven<br />
Oven Temp: 50 °C to 92 °C at 3 °C/min to 220 °C at 20 °C/min (hold 1 min)<br />
Carrier Gas He, constant flow<br />
Flow Rate: 1 mL/min<br />
Linear Velocity: 36 cm/sec<br />
Detector<br />
MS<br />
Mode:<br />
Scan<br />
Source Temp.: 280 °C<br />
Electron Energy: EI @ 70 eV<br />
Scan Range: 35-260 amu<br />
Instrument HP6890 <strong>GC</strong> & 5973 MSD<br />
<strong>GC</strong>_FF00461<br />
630 www.restek.com 1-800-356-1688 or 1-814-353-1300
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