Figure 1

3D HP-TLC densitogram of the separated peaks from the mixture of hexythiazox (R_t: 0.15), imidacloprid (R_t: 0.35) and thiamethoxam (R_t: 0.60); the elusion system is methanol:chloroform:glacial acetic acid:triethyl amine (8.5:1.5:0.2:0.1, v:v:v) and the detection wavelength is 220 nm.