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 |
|---|---|---|---|---|---|---|---|---|
| ES Industries | Chromegasphere SI 120 (Spherical) | Normal-Phase | Silica | 2.0 mm | 150 mm | 3.0 μm | 120 Å | On request |
| LabHut | Cronusil-S Si | Normal-Phase | Silica | 4.0 mm | 200 mm | 5.0 μm | 80 Å | 195.04 |
| ES Industries | Chromegasphere SI 4000 (Spherical) | Normal-Phase | Silica | 4.6 mm | 100 mm | 5.0 μm | 4000 Å | On request |
| Agilent Technologies | Agilent Polaris | Normal-Phase | Silica | 4.0 mm | 50 mm | 3.0 μm | 180 Å | On request |
| CHEMINDIA | CHEMSIL-SILICA | Normal-Phase | Silica | 4.6 mm | 33 mm | 5.0 μm | 60 Å | On request |
| Sigma Aldrich | Kromasil Silica | Normal-Phase | Silica | 10.0 mm | 250 mm | 16.0 μm | 60 Å | On request |
| ES Industries | Chromegasphere SI 100/HS(Spherical) | Normal-Phase | Silica | 2.0 mm | 250 mm | 5.0 μm | 100 Å | On request |
| Phenomenex | Luna Silica (2) | Normal-Phase | Silica | 4.6 mm | 300 mm | 5.0 μm | 100 Å | On request |
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