Voltammetric Determination of Anethole on La₂O₃/CPE and BDDE

Table 9

Determination of anethole in commercial products, calibration parameters (n = 3).

Samples	a ± SDa (µA/mg L^−1)	b ± SDb (µA)	r
BDDE, electrode diameter 3 mm, area 7.07 mm^2
Anise essential oil	0.0293 ± 0.001	0.0667 ± 0.005	0.9967
Metaxa	0.0535 ± 0.002	0.0691 ± 0.008	0.9975
Ouzo	0.0905 ± 0.004	0.1699 ± 0.014	0.9971
Raki	0.1068 ± 0.004	0.2216 ± 0.018	0.9967
La2O3/CPE, electrode diameter 3 mm, area 7.07 mm^2
Anise essential oil	0.3682 ± 0.018	0.8544 ± 0.078	0.9951
Metaxa	0.8061 ± 0.032	1.1490 ± 0.068	0.9968
Ouzo	0.7177 ± 0.020	1.4659 ± 0.067	0.9989
Raki	0.4497 ± 0.010	0.9507 ± 0.034	0.9993