Fig. 6From: Three techniques for the determination of perindopril through derivatization with 4-chloro-7-nitrobenzo-2-oxa-1,3-diazoleImpact of NBD-Cl volume (0.2%) on: a ∆A of PRD reaction product (60.0 µg mL−1), with NBD-Cl (0.2%). b RFI of PRD reaction product (6.0 µg mL−1), with NBD-Cl (0.2%)Back to article page