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 |
|---|---|---|---|---|---|---|---|---|
| KNAUER | Eurospher II | Reversed-Phase | Silica/C4 | 20.0 mm | 250 mm | 5.0 μm | 100 Å | On request |
| Princeton Chromatography Inc. | PrincetonSPHER C4-100 | Reversed-Phase | Silica/C4 | 30.0 mm | 100 mm | 10.0 μm | 100 Å | On request |
| Teknokroma | TRACER EXCEL 120 C4 | Reversed-Phase | Silica/C4 | 4.0 mm | 200 mm | 5.0 μm | 120 Å | On request |
| Chromenta | Chromenta KB C4 | Reversed-Phase | Silica/C4 | 2.1 mm | 100 mm | 1.8 μm | 120 Å | On request |
| Higgins Analytical | PROTO 300 C4 | Reversed-Phase | Silica/C4 | 0.8 mm | 50 mm | 5.0 μm | 300 Å | On request |
| Phenomenex | Jupiter C4 | Reversed-Phase | Silica/C4 | 50.0 mm | 250 mm | 10.0 μm | 300 Å | On request |
| SGE Analytical Science | ProteCol C4 H (Stainless Steel) | Reversed-Phase | Silica/C4 | 2.1 mm | 250 mm | 3.0 μm | 300 Å | On request |
| SiliCYCLE | SiliaChrom XDB1 C4 | Reversed-Phase | Silica/C4 | 4.6 mm | 150 mm | 5.0 μm | 300 Å | On request |
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