| • | VertiPak™  C8 SPE is moderately non-polar, hydrophobic sorbent, manufactured using a trifunctional silane and endcapped to reduce the polar secondary interactions associated with surface silanol groups | 
                                
                                  | • | Less retentive than VertiPak™ C18 based on non-polar interaction | 
                                
                                  | • | Typical applications include molecules of wide range of polarity in water or aqueous biological samples e.g. pesticides or PCBs in water, vitamins in serum | 
                                
                                  | • | Tube format is available in 7 tube sizes. | 
                                
                                  | • | Cartridge format is available in 300mg, 600mg and 900mg size | 
                                
                                  | • | Tubes or cartridges are packaged in zip sealing bag protective from moisture and light | 
                                
                                  | • | Includes Certificate of Analysis |