. 2023 Oct 16;9(10):e20997. doi: 10.1016/j.heliyon.2023.e20997

Table 4.

The results of accuracy from the assay of nine authentic AC samples using AC-PM-MWCNTs and AC-PM-MWCNTs-Al₂O₃ nanocomposite sensors.

Statistical analysis	AC-PM-MWCNTs sensor			AC-PM-MWCNTs-Al₂O₃ nanocomposite sensor
	Taken^a	Found^a	% Recovery	Taken^a	Found^a	% Recovery
	7	6.95	99.29	8	7.96	99.50
	6.3	6.24	99.05	7.3	7.26	99.45
	6	5.94	99.00	7	7.00	100.00
	5.3	5.25	99.06	6	5.99	99.83
	5	4.92	98.40	5.3	5.27	99.43
	4.3	4.23	98.37	5	4.98	99.60
	4	3.96	99.00	4	4.00	100.00
	3	2.94	98.00	3	2.97	99.00
	2	1.96	98.00	2	1.95	97.50
Mean ± SD	98.68 ± 0.5			99.37 ± 0.8
n	9			9
Variance	0.25			0.64
%SE	0.17			0.27
%RSD	0.51			0.80

*SE (%Error) = SD/√ n.

Taken and found – log [AC].