Pure Chromatography
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EPA and EU Phthalates on Rxi-XLB
| Peaks | |
|---|---|
| 1. | Dimethyl phthalate |
| 2. | Diethyl phthalate |
| 3. | Benzyl benzoate |
| 4. | Diisobutyl phthalate |
| 5. | Di-n-butyl phthalate |
| 6. | Bis(2-methoxyethyl) phthalate |
| 7. | Bis[4-methyl-2-pentyl] phthalate isomer 1 |
| 8. | Bis[4-methyl-2-pentyl] phthalate isomer 2 |
| 9. | Bis(2-ethoxyethyl) phthalate |
| 10. | Di-n-pentyl phthalate |
| Peaks | |
|---|---|
| 11. | Di-n-hexyl phthalate |
| 12. | Butyl benzyl phthalate |
| 13. | Hexyl-2-ethylhexyl phthalate |
| 14. | Bis(2-butoxyethyl) phthalate |
| 15. | Bis(2-ethylhexyl) phthalate |
| 16. | Dicyclohexyl phthalate |
| 17. | Di-n-octyl phthalate |
| 18. | Diisononyl phthalate |
| 19. | Diisodecyl phthalate |
| 20. | Dinonyl phthalate |
GC_EV1409
| Column | Rxi-XLB, 30 m, 0.25 mm ID, 0.25 µm (cat.# 13723) | ||||||||
| Sample | Benzyl benzoate (cat.# 31847) | ||||||||
| EPA Method 8061A phthalate esters mixture (cat.# 33227) | |||||||||
| Diluent: | Methylene chloride | ||||||||
| Conc.: | 50.0 µg/mL (80 μg/mL for internal standard benzyl benzoate) | ||||||||
| Injection | |||||||||
| Inj. Vol.: | 1 µL split (split ratio 20:1) | ||||||||
| Liner: | Premium 3.5 mm Precision liner w/wool (cat.# 23320.1) | ||||||||
| Inj. Temp.: | 280 °C | ||||||||
| Split Vent Flow Rate: | 3 mL/min | ||||||||
| Oven | |||||||||
| Oven Temp.: | 200 °C (hold 0.5 min) to 330 °C at 30 °C/min (hold 1 min) | ||||||||
| Carrier Gas | He, constant linear velocity | ||||||||
| Linear Velocity: | 66.7 cm/sec, 39.5 psi, 272.3 kPa @ 200 °C | ||||||||
| Detector | MS | ||||||||
| Mode: | Scan | ||||||||
| Scan Program: |
| ||||||||
| Transfer Line Temp.: | 300 °C | ||||||||
| Analyzer Type: | Quadrupole | ||||||||
| Source Temp.: | 280 °C | ||||||||
| Electron Energy: | 70 eV | ||||||||
| Solvent Delay Time: | 0.9 min | ||||||||
| Tune Type: | PFTBA | ||||||||
| Ionization Mode: | EI | ||||||||
| Instrument | Shimadzu 2010 GC & QP2010+ MS | ||||||||
| Notes | The flow rate is 3 mL/min @ 200 °C. The MS scan interval is 0.1 sec. | ||||||||
| Acknowledgement | The authors would like to thank Shimadzu Corporation for their consultation with the operation of the QP2010 Plus GC-MS instrument. |
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Copyright © 2019 Restek Corporation. All rights reserved.
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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.