The Potential of Graphene as an Adsorbent for Five Pesticides from Different Classes in Rape Oil Samples Using Dispersive Solid-Phase Extraction

Table 6

Effect of the desorption temperature on extraction efficacy of the five pesticides from rape oil samples.

Pesticide	Extraction recovery (%),
	At ambient temperature	At increased temperature (40°C)
Metazachlor	69 ± 10	81 ± 5
Tebuconazole	74 ± 8	84 ± 7
λ-Cyhalothrin	63 ± 5	59 ± 5
Chlorpyrifos	70 ± 6	83 ± 5
Deltamethrin	68 ± 7	98 ± 8
OC^1	56.0 ± 3.8^2	80.9 ± 13.0

¹Value of the optimization criterion; ²statistically significant from the highest result.