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 |
|---|---|---|---|---|---|---|---|---|
| Princeton Chromatography Inc. | PrincetonSPHER OMNI C18-100 | Reversed-Phase | Silica/C18 | 3.0 mm | 50 mm | 5.0 μm | 100 Å | On request |
| KYA Technologies Corporation | HiQ Sil C18HS-100 | Reversed-Phase | Silica/C18 | 4.6 mm | 150 mm | 5.0 μm | 100 Å | On request |
| Dikma Technologies Inc. | Inspire C18 | Reversed-Phase | Silica/C18 | 4.6 mm | 50 mm | 5.0 μm | 100 Å | 343.00 |
| Imtakt | Cadenza 5CL-C18 | Reversed-Phase | Silica/C18 | 2.0 mm | 250 mm | 5.0 μm | 120 Å | On request |
| BISCHOFF | ProntoSIL 60-10-C18 H | Reversed-Phase | Silica/C18 | 2.0 mm | 150 mm | 10.0 μm | 60 Å | On request |
| LabHut | Cronusil-L ODS-A | Reversed-Phase | Silica/C18 | 3.0 mm | 100 mm | 5.0 μm | 120 Å | 226.96 |
| MACHEREY-NAGEL | NUCLEODUR C18 GRAVITY | Reversed-Phase | Silica/C18 | 4.6 mm | 75 mm | 5.0 μm | 110 Å | 384.00 |
| RESTEK | Viva | Reversed-Phase | Silica/C18 | 4.6 mm | 100 mm | 3.0 μm | 300 Å | On request |
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