by Greyhound
The Q-Col range of GenSphere HPLC columns are manufactured using silica of exceptional purity.
It is a totally porous, perfectly spherical particle, without surface irregularities and having extremely low metals content (Al, Fe, Ti and Zn).
The elimination of micro-pores on the surface of the silica enables a perfectly reproducible porosity resulting in the absence of chromatographic problems often found with other packing materials.
Q-Col HPLC Columns are available in a complete range of chemistries enabling the chromatographer to perform analyses across a broad spectrum of columns.
| Vendor | Greyhound | Length | |
| Brand | GenSphere Si 120 | Internal Diameter | |
| Modifification | Silica | Pore size | 120 |
| Mode | Normal-Phase | pH stability from | 1.5 |
| Particle Size | pH stability to | 11.0 |
| Vendor | Brand | Mode | Modification | Int. diam. | Length | Particles | Pores | Price |
|---|---|---|---|---|---|---|---|---|
| Agilent Technologies | Agilent Prep | Normal-Phase | Silica | 4.0 mm | 150 mm | 5.0 μm | 100 Å | On request |
| GL Sciences | Inertsil SIL-100A | Normal-Phase | Silica | 4.0 mm | 33 mm | 3.0 μm | 100 Å | On request |
| RESTEK | Ultra | Normal-Phase | Silica | 2.1 mm | 50 mm | 3.0 μm | 100 Å | On request |
| ES Industries | Chromegasphere SI 60 (Spherical) | Normal-Phase | Silica | 4.0 mm | 150 mm | 5.0 μm | 60 Å | On request |
| Sepax Technologies | Sepax HP 120 Silica | Normal-Phase | Silica | 0.5 mm | 100 mm | 3.0 μm | 120 Å | On request |
| Welch Materials | Topsil Silica | Normal-Phase | Silica | 3.0 mm | 100 mm | 3.0 μm | 150 Å | On request |
| Axxiom Chromatography | Axxiom Si | Normal-Phase | Silica | 4.6 mm | 250 mm | 5.0 μm | — | On request |
| Princeton Chromatography Inc. | PrincetonSPHER SILICA-100 | Normal-Phase | Silica | 7.8 mm | 50 mm | 10.0 μm | 100 Å | On request |
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