Research Article

Development and Validation of Chronopotentiometric Method for Imidacloprid Determination in Pesticide Formulations and River Water Samples

Table 3

Results obtained for the analysis of commercial formulations by the proposed chronopotentiometric method.

Commercial pesticide formulationImidacloprid content claimed by the manufacturerDetermined by the proposed chronopotentiometric method
TFMEGCE

Imidacloprid content [g/L]
Prestige 290 FS140.00144.17 ± 1.60 (102.98)134.27 ± 2.52 (95.91)
Confidor 200 SL200.00199.71 ± 1.59 (99.86)197.02 ± 1.39 (98.51)
Kohinor 200 SL200.00202.02 ± 0.82 (101.01)203.33 ± 1.35 (101.67)
Gat Go 20 OD200.00204.22 ± 1.98 (102.11)196.46 ± 0.72 (98.23)

Imidacloprid content [g/kg]
Confidor 70 WG700.00697.98 ± 2.07 (99.71)685.72 ± 1.19 (97.96)
Imidor 70 WS700.00708.42 ± 1.29 (101.20)712.19 ± 1.10 (101.74)

Mean value ± RSD (recovery, %), .