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Apex
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Apex™ and Apex™ II are HPLC phases from the british specialist Hichrom, developed for routine analysis. The stationary phases based on spherical silica with controlled surface properties and a narrow particle size distribution.
Technical Data
| Phase name | Modification | Particle size | Pore size | End-capping | C-content | USP | Surface area | pH range | Tmax |
| Apex ODS | C18 | 3, 5, 10 µm | 100 Å | Proprietary | 10% | L1 | 170m2/g | N/A | N/A |
| Apex II ODS | C18 | 3, 5 µm | 100 Å | + | 10.5% | L1 | 170m2/g | N/A | N/A |
| Apex Phenyl | phenyl | 3.5 µm | 100 Å | + | 3% | L11 | 170m2/g | N/A | N/A |
| Apex Phenyl-RP | phenyl | 3.5 µm | 100 Å | + | 1% | L11 | 170m2/g | N/A | N/A |
| Apex II Amino | Amino (NH2) | 3.5 µm | 100 Å | - | 2% | L8 | 170m2/g | N/A | N/A |
| Apex Silica | - | 3.5 µm | 100 Å | - | 0% | L3 | 170m2/g | N/A | N/A |
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