Determination of Major and Trace Metals in Date Palm Fruit (Phoenix dactylifera) Samples Using Flame Atomic Absorption Spectrometry and Assessment of the Associated Public Health Risks

Table 6

The metals contents (mg/kg, N = 3) in date palm fruit samples collected from different areas.

Elements	Sample areas
	Afar		Iraq		Saudi Arabia
	Concentration (mean ± SD)	%RSD	Concentration (mean ± SD)	%RSD	Concentration (mean ± SD)	%RSD
Na	224 ± 6.5	2.9	320 ± 28.1	8.8	134 ± 9.8	7.3
Ca	299 ± 8.35	2.7	205 ± 7.2	3.5	275 ± 6.2	2.25
Ni	25.1 ± 1.59	6.3	28.2 ± 1.94	6.8	42.2 ± 3.87	9.1
Zn	9.58 ± 0.92	9.6	27.9 ± 2.23	7.9	9.27 ± 0.76	8.1
Fe	115 ± 8.53	7.4	114 ± 4.83	4.2	38.8 ± 3.35	8.6
Cu	0.002 ± 0.0001	4.8	0.9 ± 0.04	5.4	1.15 ± 0.02	1.7
Mn	7.11 ± 0.4	5.6	6.66 ± 0.2	3.0	16.3 ± 0.84	5.1
Pb	ND	ND	ND	ND	ND	ND
Cd	ND	ND	ND	ND	ND	ND

ND, not detected.