Pure Chromatography
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Stir Bar Sorptive Extraction Cleaned Up Sample - QuEChERS Extract of NIST SRM Mussel (Rxi17Sil MS and Rxi-1ms)
GC_EV1231
| Column | Rxi-17Sil MS 15 m, 0.25 mm ID, 0.25 µm (cat.# 14120) |
| Rxi-1ms 0.7 m, 0.15 mm ID, 0.15 µm (cat.# 43800) | |
| Sample | |
| Diluent: | Methylene chloride |
| Injection | |
| Inj. Vol.: | 1 µL splitless (hold 1 min) |
| Liner: | Premium 4mm Single Taper w/Wool (cat.# 23303.1) |
| Inj. Temp.: | 250 °C |
| Purge Flow: | 40 mL/min |
| Oven | |
| Oven Temp.: | Rxi-17Sil MS: 40 °C (hold 1 min) to 320 °C at 5 °C/min (hold 3 min) Rxi-1ms: 45 °C (hold 1 min) to 325 °C at 5 °C/min (hold 3 min) |
| Carrier Gas | He, corrected constant flow (2.2 mL/min) |
| Modulation | |
| Modulator Temp. Offset: | 20 °C |
| Second Dimension Separation Time: | 3 sec |
| Hot Pulse Time: | 0.9 sec |
| Cool Time between Stages: | 0.6 sec |
| Detector | TOFMS |
| Transfer Line Temp.: | 290 °C |
| Analyzer Type: | TOF |
| Source Temp.: | 225 °C |
| Electron Energy: | 70 eV |
| Mass Defect: | 0 mu/100 u |
| Solvent Delay Time: | 4 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 | Rxi-1ms (cat.# 43800) is a 10 m column. A 0.7 m section was used here as a second dimension column. |
| Acknowledgement | Ed Pfannkoch and Jackie Whitecavage of Gerstel Inc. USA for providing the mussel extract for GCxGC analysis. |
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Restek Corporation, U.S., 110 Benner Circle, Bellefonte, PA 16823
Copyright © 2019 Restek Corporation. All rights reserved.
A Company of Owners
Cookies allow for a variety of features that make your visit to Restek more enjoyable. By using this website, you agree to the use of cookies in accordance with our guidelines. For more information, see our privacy policy.