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 |
|---|---|---|---|---|---|---|---|---|
| KYA Technologies Corporation | HiQ Sil C18HS-100 | Reversed-Phase | Silica/C18 | 2.1 mm | 50 mm | 5.0 μm | 100 Å | On request |
| Higgins Analytical | PROTO 200 C18 | Reversed-Phase | Silica/C18 | 1.0 mm | 150 mm | 5.0 μm | 200 Å | On request |
| MACHEREY-NAGEL | NUCLEOSIL C18 | Reversed-Phase | Silica/C18 | 4.6 mm | 150 mm | 5.0 μm | 100 Å | 226.00 |
| Imtakt | Cadenza CL-C18 | Reversed-Phase | Silica/C18 | 1.0 mm | 100 mm | 3.0 μm | 120 Å | On request |
| CERI | L-column2 ODS | Reversed-Phase | Silica/C18 | 2.1 mm | 35 mm | 3.0 μm | 120 Å | On request |
| Sepax Technologies | Sepax GP 120 C18 | Reversed-Phase | Silica/C18 | 0.5 mm | 50 mm | 1.8 μm | 120 Å | On request |
| CNW Technologies | Cnwsil C18 | Reversed-Phase | Silica/C18 | 4.6 mm | 200 mm | 5.0 μm | 90 Å | On request |
| GL Sciences | Inertsil ODS-4 | Reversed-Phase | Silica/C18 | 4.6 mm | 30 mm | 5.0 μm | 100 Å | On request |
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