by Chromenta
EP stands for "Extended pH" range. Chromenta EP packing material is made by our proprietary grafting process that evenly incorporates organic layers on the surface of ultra-high purity (99.999% SiO2) porous silica particles. This polymer-coated Chromenta EP packing material is designed to provide excellent peak shape, high efficiency, and particularly long lifetime for use in high pH. In addition, Chromenta EP columns can be used in low and intermediate pH with excellent stability. In mid-pH range, the hybrid polymer-silica layers effectively shield analytes from the surface silanol groups, thus further improve the peak shape.
| Vendor | Chromenta | Internal Diameter | |
| Brand | Chromenta EP C8 | Pore size | 120 |
| Modifification | Silica/C8 | Endcapped | Yes |
| Mode | Reversed-Phase | Operating Temperature | 80 |
| Particle Size | pH stability from | 2.0 | |
| Length | pH stability to | 12.0 |
| Vendor | Brand | Mode | Modification | Int. diam. | Length | Particles | Pores | Price |
|---|---|---|---|---|---|---|---|---|
| Orochem | Monitor C8 | Reversed-Phase | Silica/C8 | 4.6 mm | 100 mm | 3.0 μm | 100 Å | On request |
| Princeton Chromatography Inc. | PrincetonSPHER C8-60 | Reversed-Phase | Silica/C8 | 50.0 mm | 150 mm | 10.0 μm | 60 Å | On request |
| Vertical Chromatography | VertiSep Integral C8 | Reversed-Phase | Silica/C8 | 4.6 mm | 30 mm | 2.6 μm | 100 Å | On request |
| GRACE | Prevail C8 | Reversed-Phase | Silica/C8 | 3.0 mm | 150 mm | 5.0 μm | 110 Å | On request |
| SGE Analytical Science | ProteCol C8 H (PEEK Coated) | Reversed-Phase | Silica/C8 | 3.0 mm | 150 mm | 3.0 μm | 120 Å | On request |
| RSTech | HECTOR-M C8 | Reversed-Phase | Silica/C8 | 3.9 mm | 50 mm | 3.0 μm | 100 Å | On request |
| BISCHOFF | ProntoSIL 300-5-C8 SH | Reversed-Phase | Silica/C8 | 3.0 mm | 200 mm | 5.0 μm | 300 Å | On request |
| Greyhound | GenSphere C8 300 | Reversed-Phase | Silica/C8 | 4.0 mm | 100 mm | 5.0 μm | 300 Å | On request |
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