by WATERS
Reproducibility is a number one priority in Symmetry® columns. These columns are engineered with high purity raw materials, tightly controlled manufacturing processes and column packing procedures that provide you with the best, most reproducible HPLC columns available.
Narrow column specifications help you to achieve reproducible results. The surface coverage requirements of Symmetry Columns are the tightest specifications in the industry, resulting in minimal shifts in resolution and more reproducibility from batch-to-batch and column-to-column.
Symmetry C18 columns feature trifunctionally bonded C18 ligands on a high purity base-deactived silica. Symmetry columns have the tightest column specifications in the industry giving resulting highly reproducible chromatographic results.
| Vendor | WATERS | Max Pressure | 6000 |
| Brand | Symmetry C18 | Surface Area | 330 |
| Modifification | Silica/C18 | Carbon Load, % | 19.0 |
| Mode | Reversed-Phase | Endcapped | Yes |
| Particle Size | Operating Temperature | 45 | |
| Length | pH stability from | 2.0 | |
| Internal Diameter | pH stability to | 8.0 | |
| Pore size | 100 |
| Vendor | Brand | Mode | Modification | Int. diam. | Length | Particles | Pores | Price |
|---|---|---|---|---|---|---|---|---|
| BISCHOFF | ProntoSIL Spheribond ODS2 | Reversed-Phase | Silica/C18 | 4.6 mm | 250 mm | 5.0 μm | 80 Å | On request |
| Orochem | Reliasil ODS-1 90 | Reversed-Phase | Silica/C18 | 3.0 mm | 30 mm | 5.0 μm | 90 Å | On request |
| GRACE | Vydac MS C18 | Reversed-Phase | Silica/C18 | 2.1 mm | 250 mm | 5.0 μm | 300 Å | On request |
| Luknova | Flex C18-120 | Reversed-Phase | Silica/C18 | 30.0 mm | 150 mm | 10.0 μm | 120 Å | On request |
| Agilent Technologies | ZORBAX Extend-C18 | Reversed-Phase | Silica/C18 | 2.0 mm | 50 mm | 5.0 μm | 80 Å | On request |
| SiliCYCLE | SiliaChrom XT Fidelity C18 | Reversed-Phase | Silica/C18 | 10.0 mm | 250 mm | 10.0 μm | 150 Å | On request |
| RESTEK | Pinnacle DB | Reversed-Phase | Silica/C18 | 1.0 mm | 50 mm | 3.0 μm | 140 Å | On request |
| KYA Technologies Corporation | HiQ Sil C18W - 120 | Reversed-Phase | Silica/C18 | 4.0 mm | 150 mm | 5.0 μm | 120 Å | On request |
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