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 | pH stability from | 2.0 |
| Modifification | Silica/C18 | pH stability to | 11.5 |
| Mode | Reversed-Phase | Surface Area | 180 |
| Particle Size | Endcapped | Yes | |
| Length | Operating Temperature | 60 | |
| Internal Diameter |
| Vendor | Brand | Mode | Modification | Int. diam. | Length | Particles | Pores | Price |
|---|---|---|---|---|---|---|---|---|
| Agilent Technologies | ZORBAX Extend-C18 | Reversed-Phase | Silica/C18 | 3.0 mm | 150 mm | 5.0 μm | 80 Å | On request |
| Thermo Fisher Scientific | Hypesil GOLD | Reversed-Phase | Silica/C18 | 0.15 mm | 50 mm | 1.9 μm | 175 Å | On request |
| WATERS | Spherisorb ODS1 | Reversed-Phase | Silica/C18 | 4.6 mm | 100 mm | 10.0 μm | 80 Å | On request |
| Welch Materials | Ultisil AQ-C18 | Reversed-Phase | Silica/C18 | 4.6 mm | 33 mm | 3.0 μm | 120 Å | On request |
| Sepax Technologies | Sepax Bio 300 C18 | Reversed-Phase | Silica/C18 | 21.2 mm | 50 mm | 10.0 μm | 300 Å | On request |
| Bonna-Agela Technologies | Promosil C18 | Reversed-Phase | Silica/C18 | 2.1 mm | 150 mm | 5.0 μm | 100 Å | On request |
| Higgins Analytical | TARGA C18 | Reversed-Phase | Silica/C18 | 4.0 mm | 30 mm | 5.0 μm | 120 Å | On request |
| ChromaNik Technologies Inc. | SunShell HFC18-30 | Reversed-Phase | Silica/C18 | 3.0 mm | 50 mm | 2.6 μm | 300 Å | On request |
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