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Agilent-Carbowax GC
Carbowax® is a widely used polar stationary phase for gas chromatography. The phase is based on polyethylene glycol and is partially available as bulk material. Carbowax® phases are available as capillary columns as well as packed GC columns using different substrates (e.g. Chromosorb W HP or Carbopack B). For the capillary columns Carbowax® 20M and HP-20M, the stationary phase is not bonded or cross-linked, so solvent rinsing is not recommended. The columns are suitable for the analysis of alcohols, free acids, ethers, glycol and solvents.
Technical Data
| Column name | Phase | Polarity | USP | Diameter | Film thickness | Tmax[1] |
| Carbowax® 20M | Polyethylene Glycol | polar | G16 | 0.25 mm 0.32 mm | 0.25 µm 0.25 µm | 220°C-240°C |
| Carbowax® HP-20M | Polyethylene Glycol | polar | G16 | 0.20 mm 0.32 mm 0.53 mm | 0.10 µm 0.30 µm 1.33 µm | 220°C |
| Carbowax® Amine | Base modified Polyethylene Glycol | Polar | N/A | 0.53 mm | 1.0 µm | 200°C |
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