Phase | 
                                                    PH Stability | 
                                                    Particle Size (µ) | 
                                                    Pore Size Loading (A) | 
                                                    Surface Area (m2/g) | 
                                                    Carbon Load | 
                                                
|---|---|---|---|---|---|
| Technopak PREP C18 | 1.5-10 | 5,10,50um | 120 | 320 | 17% | 
| Technopak PREP C8 | 1.5-10 | 5,10,50um | 120 | 320 | 12% | 
| Technopak PREP Silica | 1.5-10 | 5,10,50um | 120 | - | - | 
| Technopak PREP Cyano | 2.0-8.0 | 5,10,50um | 120 | 320 | 5% |