Bond Elut Focus

Bond Elut Focus SPE from Agilent Technologies

Bond Elut Focus features a unique amide functionalized polar-enhanced sorbent technology that delivers outstanding retention for polar and non-polar analytes. The extraction method is simple, universal, and eliminates the complex pH adjustments necessary with ion-exchange and mixed mode methods. The unique ligand chemistry on the sorbent exhibits hydrogen bond donor capability, dramatically increasing the retention of basic analytes. The improved retention for polar analytes with Focus allows the use of a strong "Power Rinse" without causing analyte loss. Rigorous washes using 10-20% ACN and MeOH can be used to aggressively remove endogenous matrix interferences. For very polar analytes that are held by strictly polar interactions, e.g. atenolol, washes of up to 100% can be used