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 |
|---|---|---|---|---|---|---|---|---|
| Imtakt | Cadenza 5CW-C18 | Reversed-Phase | Silica/C18 | 3.0 mm | 50 mm | 5.0 μm | 300 Å | On request |
| BISCHOFF | ProntoSIL 120-5-C18 ace-EPS | Reversed-Phase | Silica/C18 | 2.0 mm | 100 mm | 5.0 μm | 120 Å | On request |
| Orochem | Prestige C18 | Reversed-Phase | Silica/C18 | 4.6 mm | 50 mm | 3.0 μm | 100 Å | On request |
| ES Industries | Chromegabond 500 MC-18 | Reversed-Phase | Silica/C18 | 2.0 mm | 100 mm | 5.0 μm | 500 Å | On request |
| BISCHOFF | ProntoSIL 60-5-C18 H | Reversed-Phase | Silica/C18 | 4.0 mm | 200 mm | 5.0 μm | 60 Å | On request |
| Greyhound | Spheripak ODS1 80 | Reversed-Phase | Silica/C18 | 4.6 mm | 200 mm | 10.0 μm | 80 Å | On request |
| Luknova | Poro C18-200 | Reversed-Phase | Silica/C18 | 30.0 mm | 50 mm | 5.0 μm | 200 Å | On request |
| Chromenta | Chromenta BB C18 | Reversed-Phase | Silica/C18 | 3.0 mm | 100 mm | 5.0 μm | 300 Å | On request |
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