Innovative Chromatography Products
www.restek.it
www.restek.it
Questo cromatogramma potrebbe contenere analiti che sono sinonimi dei vostri parametri di ricerca.
Polycyclic Aromatic Hydrocarbons (PAHs) in a Spring Creek Sediment Sample by GCxGC-TOFMS
| Peaks | tR 1 (sec) | tR 2 (sec) | |
|---|---|---|---|
| 1. | Benz[a]anthracene | 3,706.5 | 0.625 |
| 2. | Cyclopenta[cd]pyrene | 3,726.0 | 0.620 |
| 3. | Triphenylene | 3,735.0 | 0.620 |
| 4. | Chrysene | 3,741.0 | 0.620 |
| 5. | Benzo[b]fluoranthene | 4,213.5 | 0.625 |
| 6. | Benzo[k]fluoranthene | 4,224.0 | 0.625 |
| 7. | Benzo[j]fluoranthene | 4,231.5 | 0.620 |
| 8. | Benzo[a]fluoranthene | 4,264.5 | 0.625 |
GC_EV1356
| Column | Rxi-PAH 60 m, 0.25 mm ID, 0.10 µm (cat.# 49317) |
| Rxi-1HT 1 m, 0.25 mm ID, 0.10 µm (cat.# 13950) | |
| Injection | |
| Inj. Vol.: | 1 µL splitless (hold 1.5 min) |
| Liner: | Premium 4 mm single taper w/wool (cat.# 23303.5) |
| Inj. Temp.: | 275 °C |
| Purge Flow: | 40 mL/min |
| Oven | |
| Oven Temp.: | Rxi-PAH: 80 °C (hold 1.5 min) to 320 °C at 3 °C/min (hold 18.5 min) Rxi-1HT: 85 °C (hold 3.17 min) to 320 °C at 3 °C/min (hold 18.5 min) |
| Carrier Gas | He, corrected constant flow (1.4 mL/min) |
| Modulation | |
| Modulator Temp. Offset: | 20 °C |
| Second Dimension Separation Time: | 1.5 sec |
| Hot Pulse Time: | 0.45 sec |
| Cool Time between Stages: | 0.35 sec |
| Detector | TOFMS |
| Transfer Line Temp.: | 320 °C |
| Analyzer Type: | TOF |
| Source Temp.: | 300 °C |
| Electron Energy: | 70 eV |
| Mass Defect: | -20 mu/100 u |
| Solvent Delay Time: | 7 min |
| Tune Type: | PFTBA |
| Ionization Mode: | EI |
| Acquisition Range: | 45-550 amu |
| Spectral Acquisition Rate: | 200 spectra/sec |
| Instrument | LECO Pegasus 4D GCxGC-TOFMS |
| Notes | The Rxi-1HT column (cat.# 13950) is a 15 m column. A 1 m segment was cut off and used here as the second dimension column. |
| Acknowledgement | Sample extract provided by Frank Dorman, Melinda Pham; The Pennsylvania State University |
relativo alle ricerche nella libreria dei cromatogrammi
Consigli per la stampa! Per stampare cromatogrammi su tutta la pagina, cambiare le impostazioni di stampa nella finestra di stampa del vostro software PDF reader: 1)"adatta" o "adatta alla pagina", 2)"panorama" per cromatogrammi grandi o "ritratto" per cromatogrammi alti.
