Pure Chromatography
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Comparison of Glycols Before and After 600 Water Injections on Rtx-Wax
| Peaks | tR (min) | |
|---|---|---|
| 1. | 2-Butoxyethanol (IS) | 5.55 |
| 2. | Propylene glycol | 6.27 |
| 3. | Ethylene glycol | 6.41 |
GC_EV1454
| Column | Rtx-Wax, 30 m, 0.53 mm ID, 1.00 µm (cat.# 12455) |
| Sample | Glycols standard (cat.# 30471) |
| 2-Butoxyethanol | |
| Diluent: | Water:methanol (90:10) |
| Conc.: | 50 µg/mL (1 ng on-column) |
| Injection | |
| Inj. Vol.: | 1 µL split (split ratio 50:1) |
| Liner: | Premium 4 mm Precision inlet liner w/wool (cat.# 23305.1) |
| Inj. Temp.: | 250 °C |
| Oven | |
| Oven Temp.: | 40 °C (hold 1 min) to 250 °C at 30 °C/min |
| Carrier Gas | He, constant flow |
| Flow Rate: | 5.7 mL/min |
| Linear Velocity: | 40 cm/sec |
| Detector | FID @ 250 °C |
| Make-up Gas Flow Rate: | 45 mL/min |
| Make-up Gas Type: | N2 |
| Hydrogen flow: | 40 mL/min |
| Air flow: | 450 mL/min |
| Data Rate: | 20 Hz |
| Instrument | Agilent/HP6890 GC |
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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.