Development of a Flow Injection System for Differential Pulse Amperometry and Its Application for Diazepam Determination

Table 2

Analytical characteristics of the proposed methods.

Characteristics	FIA-DPA
LR, µmol dm^−3	20–250
Sensitivity, nA dm^3 µmol^−1	63
Correlation coefficient, r	0.997
LOD, µmol dm^−3	13.4
Intraday RSD ()	1.53%
Interday RSD ()	10.8%
Throughoutput, 1 h^−1	90