Innovative Chromatography Products
www.restek.it
www.restek.it
Questo cromatogramma potrebbe contenere analiti che sono sinonimi dei vostri parametri di ricerca.
Dynamic Headspace USP solvents on Rtx-1301 (G43)
| Peaks | tR (min) | sample concentration (µg/ml) | |
|---|---|---|---|
| 1. | Dichloromethane | 5.137 | 12.0 |
| 2. | Chloroform | 9.260 | 1.2 |
| 3. | Benzene | 11.145 | 0.04 |
| 4. | Trichloroethylene | 14.601 | 1.6 |
| 5. | 1,4-Dioxane | 17.349 | 7.6 |
GC_PH00811
| Column | Rtx-1301 (G43), 30 m, 0.53 mm ID, 3.00 µm (cat.# 16085-126) |
| Sample | USP <467> Calibration Mixture #5 (cat.# 36007) |
| Diluent: | DMSO stock standard |
| Conc.: | To each 22mL headspace vial 5ml water, ~ 1.0g of sodium sulfate and 100µL of stock standard were added. The preparations yielded the concentrations above. |
| Injection | headspace-trap split |
| Oven | |
| Oven Temp.: | 40 °C (hold 20 min) to 240 °C at 25 °C/min (hold 10 min) |
| Carrier Gas | He, constant flow |
| Flow Rate: | 5 mL/min |
| Detector | FID @ 250 °C |
| Make-up Gas Flow Rate: | 45 mL/min |
| Notes | Detector: Hydrogen flow: 40 mL/min Air flow: 450 mL/min Dynamic Headspace (Trap) Conditions: Instrument: Teledyne Tekmar HT3 Valve oven temp.: 150°C Transfer line temp.: 150°C Standby flow rate: 10mL/min. Trap standby temp.: 40°C Platen/sample temp.: 80°C Sample equil. time: 15.00 min. Mixer time: 2.00 min. Mixing level: 5 Mixer stabilize time: 0.50 min. Sweep flow rate: 75mL/min. Sweep flow time: 3.00 min. Dry purge time: 5.00 min. Dry purge flow: 50mL/min. Dry purge temp.: 25°C Desorb preheat: 245°C Desorb temp.: 250°C Desorb time: 1.00 min. Trap bake temp.: 300°C Trap bake time: 6.00 min. Trap bake flow: 450mL/min. |
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