Research Article
Thermal and Hydrothermal Treatment of Silica Gels as Solid Stationary Phases in Gas Chromatography
Table 1
List of the studied surface modified silica gels obtained by different techniques.
| Sample no. | Notation | Treatment |
| 1 | Si | Acid-washed silica gel (60–80 mesh) | 2 | SiC500 | Silica gel calcined at 500°C | 3 | SiC1000 | Silica gel calcined at 1000°C | 4 | SiHT | Hydrothermally treated silica gel | 5 | SiCHT | Calcined silica gel followed by hydrothermal treatment |
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