Electrochemical Behavior and Determination of Rutin on Modified Carbon Paste Electrodes

Table 2

Parameters of calibration regression straight lines and limits of detection (LOD) and quantification (LOQ) of rutin on the tested carbon paste electrodes, DPAdSV measurement.

Electrode	c (μmol L^−1)	Regression equation 𝑦=𝑎𝑥+𝑏	R	LOD (mol L^−1)	LOQ (mol L^−1)
CPE	0.01–0.1	𝑦 = 5 × 10^8𝑥 −2.15	0.9784	1 × 10^−8	3 × 10^−8
	0.2–1	𝑦 = 9 × 10^8𝑥 −171.27	0.9886
IL/CPE	0.005–0.08	𝑦 = 5 × 10^9𝑥 + 171.95	0.9852	5 × 10^−9	2 × 10^−8
IP/CPE	0.02–0.6	𝑦 = 8 × 10^8𝑥 −13.75	0.9935	2 × 10^−8	6 × 10^−8

c: linear concentration range, R: correlation coefficient.