Research Article
Thermal and Hydrothermal Treatment of Silica Gels as Solid Stationary Phases in Gas Chromatography
Table 4
Uniformity criterion for studied columns.
| | Column | Uniformity criterion | | Paraffin | Aromatic | Polyaromatic | Alcohols |
| | Si | 0.450 | 0.300 | 0.270 | — | | SiC500 | 0.403 | 0.357 | 0.250 | — | | SiC | 0.161 | 0.270 | 0.240 | — | | SiHT | — | 0.182 | 0.166 | — | | SiCHT | 0.400 | 0.210 | 0.210 | — |
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