CUPRAC Voltammetric Determination of Antioxidant Capacity in Tea Samples by Using Screen-Printed Microelectrodes

Table 3

Limit of detection (LOD) and limit of quantification (LOQ) in DPV and spectrophotometry.

Method	DPV	Spectrophotometry	DPV	Spectrophotometry
Statistical parameter	Limit of detection (LOD)		Limit of quantification (LOQ)
Trolox concentration	2 · 10^−4 mol·L^−1		4 · 10^−4 mol·L^−1
Average (mean of 6 repetitions)	1.996	4.047	4.015	2.037
SD	0.175	0.363	0.276	0.176
RSD	8.742	8.960	6.863	8.646