Estimation of Abamectin Residues Present in Tea: High-Performance Liquid Chromatography Technique

Table 2

Optimization of various adsorbents*.

Spiked levels 𝜇g g^−1	Tea	Florisil	Neutral alumina	Silica gel
0.02	Black tea	86.40 ± 1.43	—	—
	Dried green leaves	89.03 ± 1.68	—	—
0.2	Black tea	88.22 ± 1.53	16.67 ± 3.45	6.24 ± 3.37
	Dried green leaves	91.04 ± 1.87	17.05 ± 1.85	7.51 ± 1.29

∗Mean of triplicate analysis ± SD.