Figure 6From: Preparation of ractopamine-tetraphenylborate complexed nanoparticles used as sensors to rapidly determine ractopamine residues in porkEffect of pH on the sensor properties. Effect of pH on (a) the modified CPEs and (b) the general CPEs in 0.1 M HAc-NaAc buffer containing 1.0 × 10−3 mol/L ractopamine.Back to article page