Luminescent Probe Based on Terbium-Carbon Quantum Dots for the Quantification of Imidacloprid in Caneberries

Table 1

Analytical parameters.

Parameters
Excitation/emission slits (nm/nm)	10/10
Photomultiplier tube voltage (V)	780
Calibration graph
Intercept	5.678
Slope (mL·μg^−1)	129.5
Correlation coefficient	0.9994
Linear dynamic range (μg·mL^−1)	0.1–2.5
LOD (μg·mL^−1)	0.03
LOQ (μg·mL^−1)	0.1
MDL (mg·kg^−1)	0.9
Linear dynamic range (mg·kg^−1)	3–75
Repeatability (%)
0.2 μg·mL^−1	2.7
1 μg·mL^−1	2.3
Intermediate precision (%)
0.4 μg·mL^−1	4.8
1.4 μg·mL^−1	4.5