Electrochemical Behavior and Determination of Rutin on Modified Carbon Paste Electrodes

Table 4

DPV and DPAdSV determination of rutin in model samples using the method of standard additions. Number of repeated measurements 𝑛=5.

Method of measuring	Electrode	Mean content of rutin (μmol L^−1)	Relative standard deviation 𝑠𝑟 (%)	Measurement bias B (%)	Recovery R (%)
DPV	CPE	1.99	2.6	−0.74	99.3
		0.42	4.3	5.06	105.1
	IL/CPE	2.07	6.3	3.58	103.6
	IP/CPE	2.01	4.7	0.31	100.3
		0.40	4.5	0.98	101.0
DPAdSV	CPE	0.057	4.9	−5.53	94.5
		0.39	3.6	−2.85	97.2
	IL/CPE	0.064	9.1	7.27	107.3
		0.42	6.8	4.10	104.1
	IP/CPE	0.063	5.4	4.50	104.5
		0.41	5.1	1.51	101.5