Table 3. Comparison of LOD Values of the Developed Methods with Other Methods.

methods	LOD (ng mL–1)	references
ETAAS	0.20	(37)
ICP–MS	0.98	(38)
ICP–OES	0.2	(39)
HGAAS	0.7	(40)
SQT-AT-FAAS	0.075	this study