Research Article

High-Throughput Analysis of Lidocaine in Pharmaceutical Formulation by Capillary Zone Electrophoresis Using Multiple Injections in a Single Run

Table 3

Lidocaine quantification in the pharmaceutical formulations by CZE method.

SampleNominal concentration1 (mg)Found concentration (mg)

(1) Ointment25062.8 ± 0.01
(2) Ointment22529.19 ± 0.03
(3) Liquid5065.58 ± 0.01
(4) Liquid43.70 ± 0.01

Informed by the manufacturer.
mg per gram of ointment.