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 |
|---|---|---|---|---|---|---|---|---|
| Dikma Technologies Inc. | Spursil C18 | Reversed-Phase | Silica/C18 | 3.0 mm | 250 mm | 3.0 μm | 100 Å | 621.00 |
| GL Sciences | Inertsil ODS-P | Reversed-Phase | Silica/C18 | 2.0 mm | 250 mm | 3.0 μm | 100 Å | On request |
| Orochem | Orosym C18 | Reversed-Phase | Silica/C18 | 2.0 mm | 50 mm | 5.0 μm | 130 Å | On request |
| GL Sciences | Inertsil ODS-3 | Reversed-Phase | Silica/C18 | 1.5 mm | 33 mm | 3.0 μm | 100 Å | On request |
| Fortis Technologies | Fortis H2o | Reversed-Phase | Silica/C18 | 0.075 mm | 100 mm | 3.0 μm | — | On request |
| Luknova | Poro C18-200 | Reversed-Phase | Silica/C18 | 30.0 mm | 250 mm | 10.0 μm | 200 Å | On request |
| LabHut | Cronusil-L ODS-A | Reversed-Phase | Silica/C18 | 4.6 mm | 40 mm | 5.0 μm | 120 Å | 184.83 |
| Chromenta | Chromenta EP C18 | Reversed-Phase | Silica/C18 | 3.0 mm | 150 mm | 3.0 μm | 120 Å | On request |
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