Site
Cu
Zn
Pb
Cd
Co
Ni
Mn
Fe
Cr
Site-1
14.67±3.05
105.67±17.21
0.14±0.04
10.28±0.67
38.31±1.63
0.29±0
184.71±1.99
416.67±35.12
2.68±0.21
Site-2
12.33±1.53
122.30±22.37
1.16±0.15
9.40±0.62
34.71±0.92
0.85±0.40
85.08±8.84
730±80.91
2.53±0.26
Site-3
11.00±1.00
285.67±31.53
2.67±0.65
11.01±0.06
37.33±0.85
1.78±0.52
346.90±4.28
585.67±662.08
2.67±0.26
Site-4
3.00±0
15.67±1.15
1.22±0.23
3.79±0.11
9.33±0.57
0.23±0.06
30.93±0.64
443.10±2.46
5.72±0.07
Guideline value
70.0
d
100
0.30
f
0.20
f
50.0
70.0
500
e
425
2.30
d
Source: Weigert, 1991;
e
Source: Pendias and pendias, 1992;
f
Source: FAO/WHO, 2011 [13,28,32]
Table 5:
Trace metal concentration (Mean ± SD) in spinach vegetable (in mg/kg).
