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Rtx-5
(Crossbond® 5% diphenyl/95% dimethyl polysiloxane)
- Low polarity phase.
- Equivalent to USP G27, G36 phases.
The 5% diphenyl/95% dimethyl polysiloxane stationary phase is the most popular GC stationary phase and is used in a wide variety of applications. All residual catalysts and low molecular weight fragments are removed from the Rtx®-5 polymer, providing a tight mono-modal distribution and extremely low bleed.
Application
- Drugs
- Solvent impurities
- Pesticides
- Hydrocarbons
- PCB congeners or (e.g.) Aroclor mixes
- Essential oils
- Semivolatiles
| ID (mm) | df(µm) | Temperature limits (°C) |
|---|---|---|
| 0.10 | 0.10 | -60 to 330/350 |
| 0.10 | 0.40 | -60 to 320/340 |
| 0.18 | 0.20 | -60 to 330/350 |
| 0.18 | 0.40 | -60 to 315/330 |
| 0.25 | 0.10 | -60 to 330/350 |
| 0.25 | 0.25 | -60 to 330/350 |
| 0.25 | 0.50 | -60 to 330/350 |
| 0.25 | 1.00 | -60 to 320/340 |
| 0.32 | 0.10 | -60 to 330/350 |
| 0.32 | 0.25 | -60 to 330/350 |
| 0.32 | 0.50 | -60 to 330/350 |
| 0.32 | 1.00 | -60 to 330/350 |
| 0.32 | 1.50 | -60 to 310/330 |
| 0.32 | 3.00 | -60 to 280/300 |
| 0.32 | 5.00 | -60 to 260/280 |
| 0.53 | 0.10 | -60 to 320/340 |
| 0.53 | 0.25 | -60 to 320/340 |
| 0.53 | 0.50 | -60 to 310/330 |
| 0.53 | 1.00 | -60 to 310/330 |
| 0.53 | 1.50 | -60 to 310/330 |
| 0.53 | 3.00 | -60 to 270/290 |
| 0.53 | 5.00 | -60 to 270/290 |
Maximum temperatures listed are for 15- and 30-meter lengths. Longer lengths may have a slightly reduced maximum temperature.