Table 4.

Use of FAAS and ICP-MS techniques for determination of thallium in water and biological material samples (Li et al. 2009)

Sample	ICP-MS technique	FAAS technique	Relative standard deviation [%]	Recovery [%]
Tap water	0.260 μg L−1	0.240 μg L−1	3.2	88–102
River water	1.220 μg L−1	1.340 μg L−1	3.4	91–106
Human hair	0.384 mg kg−1	0.395 mg kg−1	3.0	90–98
Human nail	0.675 mg kg−1	0.668 mg kg−1	3.2	88–97