by Higgins Analytical
Low pH operating conditions and high pH column washing steps are typical bioprocessing operating conditions that can severely limit the lifetime and performance of widepore columns typically used for protein and peptide analysis. Higgins Analytical’s new PROTO300 has high capacity for enhanced resolution and is robust enough to withstand prolonged use at extreme pH (1.5 - 10).
| Vendor | Higgins Analytical | Pore size | 300 |
| Brand | PROTO 300 C4 | Surface Area | 100 |
| Modifification | Silica/C4 | Carbon Load, % | 3.0 |
| Mode | Reversed-Phase | Endcapped | Yes |
| Particle Size | pH stability from | 1.5 | |
| Length | pH stability to | 10.0 | |
| Internal Diameter |
| Vendor | Brand | Mode | Modification | Int. diam. | Length | Particles | Pores | Price |
|---|---|---|---|---|---|---|---|---|
| Princeton Chromatography Inc. | PrincetonSPHER C4-100 | Reversed-Phase | Silica/C4 | 2.0 mm | 150 mm | 5.0 μm | 100 Å | On request |
| ES Industries | Chromegabond 60 C4 | Reversed-Phase | Silica/C4 | 2.0 mm | 50 mm | 5.0 μm | 60 Å | On request |
| Welch Materials | Ultisil XB-C4 | Reversed-Phase | Silica/C4 | 2.1 mm | 250 mm | 3.0 μm | 300 Å | On request |
| RESTEK | Viva | Reversed-Phase | Silica/C4 | 4.6 mm | 150 mm | 5.0 μm | 300 Å | On request |
| Welch Materials | Ultisil XB-C4 | Reversed-Phase | Silica/C4 | 2.1 mm | 250 mm | 5.0 μm | 300 Å | On request |
| Luknova | Poro C4-300 | Reversed-Phase | Silica/C4 | 7.8 mm | 150 mm | 10.0 μm | 300 Å | On request |
| RESTEK | Ultra | Reversed-Phase | Silica/C4 | 2.1 mm | 150 mm | 3.0 μm | 100 Å | On request |
| GRACE | Vydac MS C4 | Reversed-Phase | Silica/C4 | 22.0 mm | 150 mm | 10.0 μm | 300 Å | On request |
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