Determination of Low Levels of Lead in Beer Using Solid-Phase Extraction and Detection by Flame Atomic Absorption Spectrometry

Table 4

Relative recovery for the four samples submitted to the proposed method.

	Recovery (%)	R.S.D (%)
Sample 1	93.8	0.4
Sample 2	91.4	0.1
Sample 3	112.0	1.1
Sample 4	80.7	0.3