by Sigma Aldrich
Astec Silica HPLC Column
10 μm particle size, L × I.D. 25 cm × 50 mm
Astec Silica-based
For these silica-based achiral columns, the percentage of alkyl loading is chosen to give optimal performance and retention in high aqueous mobile phase compositions. This is monitored based on retention of pyrimidine and phenol. The reversed phase columns have a carbon load of 17%.
The Diol and Pholipidec™ phases were developed for highly selective normal phase separation of phospholipids.
| Vendor | Sigma Aldrich | Length | |
| Brand | Astec Silica | Internal Diameter | |
| Modifification | Silica | Pore size | 110 |
| Mode | Normal-Phase | Surface Area | 320 |
| Particle Size |
| Vendor | Brand | Mode | Modification | Int. diam. | Length | Particles | Pores | Price |
|---|---|---|---|---|---|---|---|---|
| ES Industries | Chromegasphere SI 300 (Spherical) | Normal-Phase | Silica | 4.6 mm | 100 mm | 5.0 μm | 300 Å | On request |
| CNW Technologies | Athena Silica | Normal-Phase | Silica | 2.1 mm | 50 mm | 5.0 μm | 120 Å | On request |
| RSTech | HECTOR-M Silica | Normal-Phase | Silica | 2.1 mm | 50 mm | 5.0 μm | 100 Å | On request |
| GL Sciences | Inertsil SIL-150A | Normal-Phase | Silica | 2.1 mm | 250 mm | 5.0 μm | 150 Å | On request |
| Agilent Technologies | Agilent Polaris | Normal-Phase | Silica | 2.0 mm | 50 mm | 3.0 μm | 180 Å | On request |
| Princeton Chromatography Inc. | PrincetonSPHER SILICA-100 | Normal-Phase | Silica | 30.0 mm | 100 mm | 5.0 μm | 100 Å | On request |
| Princeton Chromatography Inc. | PrincetonSPHER SILICA-100 | Normal-Phase | Silica | 4.0 mm | 250 mm | 10.0 μm | 100 Å | On request |
| Sigma Aldrich | Ascentis Si | Normal-Phase | Silica | 4.6 mm | 250 mm | 5.0 μm | 100 Å | On request |
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