by Sigma Aldrich
Ascentis® Express Peptide ES C18 HPLC Column
2.7 μm particle size, L × I.D. 10 cm × 2.1 mm
Ascentis® Express Peptide ES-C18 HPLC Columns
Ascentis Express Peptide ES-C18 columns are specifically engineered to separate higher molecular weight compounds such as peptides and small proteins. These columns contain advanced Fused-Core particles that have larger pores (160 Å versus 90 Å in standard Ascentis Express), bonded with sterically-protected C18 ligands to provide extra stability (ES) at very low pH (< 1) and high temperatures (up to 100ºC). This greatly expands the application range for Ascentis Express columns.
| Vendor | Sigma Aldrich | Pore size | 160 |
| Brand | Ascentis Express Peptide ES C18 | Surface Area | 80 |
| Mode | Reversed-Phase | Endcapped | No |
| Particle Size | Operating Temperature | 100 | |
| Length | pH stability from | 1.0 | |
| Internal Diameter | pH stability to | 9.0 |
| Vendor | Brand | Mode | Modification | Int. diam. | Length | Particles | Pores | Price |
|---|---|---|---|---|---|---|---|---|
| RESTEK | Pinnacle DB | Reversed-Phase | Silica/Diphenyl | 2.1 mm | 50 mm | 1.9 μm | 140 Å | On request |
| Princeton Chromatography Inc. | PrincetonSPHER C27-100 | Reversed-Phase | Silica/C27 | 10.0 mm | 100 mm | 10.0 μm | 100 Å | On request |
| ACE | ACE C18-AR | Reversed-Phase | Silica/C18/Phenyl | 4.0 mm | 250 mm | 5.0 μm | 100 Å | On request |
| Agilent Technologies | Agilent Polaris | Reversed-Phase | Silica/C18 | 3.0 mm | 100 mm | 3.0 μm | 180 Å | On request |
| RESTEK | Viva | Reversed-Phase | Silica/PFP | 2.1 mm | 200 mm | 5.0 μm | 300 Å | On request |
| ES Industries | Chromegabond 500 MC-18 | Reversed-Phase | Silica/C18 | 4.6 mm | 100 mm | 5.0 μm | 500 Å | On request |
| Greyhound | GenSphere C8 300 | Reversed-Phase | Silica/C8 | 4.0 mm | 150 mm | 5.0 μm | 300 Å | On request |
| Welch Materials | Xtimate C4 | Reversed-Phase | Hybrid silica-polymer/C4 | 3.0 mm | 50 mm | 3.0 μm | — | On request |
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