by Agilent Technologies
ZORBAX Extend-C18
Extend-C18 columns incorporate a unique patented bidentate silane, combined with a double-endcapping process that protects the silica from dissolution at high pH - up to pH 11.5. Columns are best applied for separations of compounds that are either (1) basic and have little or no retention at low or intermediate pHs, (2) more stable or more soluble at high pH, or (3) basic and show poor peak shape at low or intermediate pH.
| Vendor | Agilent Technologies | Pore size | 80 |
| Brand | ZORBAX Extend-C18 | Surface Area | 180 |
| Modifification | Silica/C18 | Endcapped | Yes |
| Mode | Reversed-Phase | Operating Temperature | 60 |
| Particle Size | pH stability from | 2.0 | |
| Length | pH stability to | 11.5 | |
| Internal Diameter |
| Vendor | Brand | Mode | Modification | Int. diam. | Length | Particles | Pores | Price |
|---|---|---|---|---|---|---|---|---|
| MACHEREY-NAGEL | NUCLEOSIL C18 AB | Reversed-Phase | Silica/C18 | 4.6 mm | 250 mm | 5.0 μm | 100 Å | 415.00 |
| Thermo Fisher Scientific | Acclaim | Reversed-Phase | Silica/C18 | 3.0 mm | 50 mm | 3.0 μm | 120 Å | On request |
| Fortis Technologies | Fortis C18 | Reversed-Phase | Silica/C18 | 2.1 mm | 100 mm | 3.0 μm | — | On request |
| Higgins Analytical | PHALANX C18 | Reversed-Phase | Silica/C18 | 0.075 mm | 250 mm | 5.0 μm | 100 Å | On request |
| Bonna-Agela Technologies | Venusil ASB C18 | Reversed-Phase | Silica/C18 | 30.0 mm | 150 mm | 10.0 μm | 150 Å | On request |
| Teknokroma | Hyperpack ODS | Reversed-Phase | Silica/C18 | 4.6 mm | 100 mm | 5.0 μm | — | On request |
| Imtakt | Cadenza 5CL-C18 | Reversed-Phase | Silica/C18 | 2.0 mm | 250 mm | 5.0 μm | 120 Å | On request |
| BISCHOFF | ProntoSIL 120-5-C18 ace-EPS | Reversed-Phase | Silica/C18 | 4.0 mm | 125 mm | 5.0 μm | 120 Å | On request |
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