CERI G-column GC Phases
CERI G-columns are wide-bore open tubular GC column phase options for routine and specialized gas chromatography methods.
| G-column | Liquid phase composition | Equivalent phase | Polarity | Maximum temperature | Main application | Available size family |
|---|---|---|---|---|---|---|
| CERI G-100 | Methyl Silicone | SE-30 / OV-1 / OV-101 / SP-2100 | Non-polar | 280°C; high film thickness 5 µm: 250°C | General GC analysis and solvent analysis | 20 m and 40 m options depending on film thickness; 10 m available at selected 1 µm format; inner diameter 1.2 mm |
| CERI G-205 | 5% Phenyl methyl silicone | SE-52 / SE-54 | Slightly polar | 310°C; high film thickness 5 µm: 250°C | General analysis and solvent analysis | 20 m and 40 m options across 0.1, 0.5, 1, 2 and 5 µm; 10 m available at selected 1 µm format; inner diameter 1.2 mm |
| CERI G-230 | 30% Phenyl methyl silicone | OV-61 / DC-550 | Low polarity | 300°C | Analysis of slightly polar compounds | 20 m and 40 m options across 0.5, 1 and 2 µm; inner diameter 1.2 mm |
| CERI G-250 | 50% Phenyl methyl silicone | OV-17 | Medium polarity | 300°C | Steroids, pharmaceuticals, pesticides and other medium-polar compounds | 20 m and 40 m options at 0.5 and 1 µm; inner diameter 1.2 mm |
| CERI G-300 | Polyethylene glycol | PEG-20M | Strongly polar | 220°C | Polar compound analysis | 20 m and 40 m options across 0.5, 1 and 2 µm; inner diameter 1.2 mm |
| CERI G-450 | 50% Trifluoropropyl methyl silicone | DC-QF-1 | Medium polarity | 230°C | Cis-trans isomer analysis and fluorinated-phase selectivity | 20 m and 40 m options at 1 µm; inner diameter 1.2 mm |
| CERI G-950 | Porous polymer | Porapak Q type | Special porous polymer phase | 200°C | Low-boiling compounds and gas analysis | 20 m and 40 m options at 25 µm; inner diameter 1.2 mm |