by Nacalai
Conventionally end-capped C18 columns still have many residual silanol groups on the silica surface of stationary phase that can form ionic bonds with basic compounds. The resulting peak tailing makes accurate quantification of analytes difficult, especially in trace analyses. COSMOSIL 3C18-EB with a better end-capping treatment offers improved peak shape and separation particularly for basic compounds.
| Vendor | Nacalai | Pore size | 120 |
| Brand | COSMOSIL 3C18-EB | Surface Area | 300 |
| Modifification | Silica/C18 | Carbon Load, % | 14.5 |
| Mode | Reversed-Phase | Endcapped | Yes |
| Particle Size | pH stability from | 2.0 | |
| Length | pH stability to | 10.0 | |
| Internal Diameter |
| Vendor | Brand | Mode | Modification | Int. diam. | Length | Particles | Pores | Price |
|---|---|---|---|---|---|---|---|---|
| WATERS | Atlantis C18 | Reversed-Phase | Silica/C18 | 2.1 mm | 100 mm | 3.0 μm | 100 Å | On request |
| Dikma Technologies Inc. | Spursil C18-EP | Reversed-Phase | Silica/C18 | 4.6 mm | 30 mm | 5.0 μm | 100 Å | 343.00 |
| Merck | Chromolith® | Reversed-Phase | Silica/C18 | 0.1 mm | 150 mm | Monolithic μm | 130 Å | On request |
| Luknova | Hyper C18-200 | Reversed-Phase | Silica/C18 | 21.2 mm | 10 mm | 5.0 μm | 200 Å | On request |
| Greyhound | GenSphere ODS2 120 | Reversed-Phase | Silica/C18 | 4.6 mm | 200 mm | 3.0 μm | 120 Å | On request |
| BISCHOFF | ProntoSIL 200-10-C18 H | Reversed-Phase | Silica/C18 | 3.0 mm | 200 mm | 10.0 μm | 200 Å | On request |
| Orochem | Reliasil C18 90 | Reversed-Phase | Silica/C18 | 4.6 mm | 150 mm | 3.0 μm | 90 Å | On request |
| Higgins Analytical | HAISIL HL C18 | Reversed-Phase | Silica/C18 | 0.3 mm | 100 mm | 5.0 μm | 100 Å | On request |
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