Fig. 8From: Three techniques for the determination of perindopril through derivatization with 4-chloro-7-nitrobenzo-2-oxa-1,3-diazoleImpact of the volume of (0.2 M) borate buffer (pH 9.0) on: a ∆A of PRD reaction product of (60.0 µg mL1),with NBD-Cl (0.2%). b The RFI of PRD reaction product of (6.0 µg mL−1),with NBD-Cl (0.2%)Back to article page