|
Element
|
Certified value ± S.D. (μg/g)
|
Recovered value ± S.D. (μg/g)
|
% R.S.D.
|
% Recovery
|
|---|
|
27Al
|
252 ± 49
|
264.03 ± 5.14
|
3.29
|
104.77
|
|
52Cr
|
0.991a
|
1.07 ± 0.07
|
5.42
|
107.97
|
|
55Mn
|
136 ± 5
|
141.59 ± 3.2
|
2.85
|
104.11
|
|
56Fe
|
258a
|
248.11 ± 4.77
|
2.76
|
96.17
|
|
59Co
|
0.154b ± 0.007
|
0.167b ± 0.009
|
5.73
|
108.44
|
|
60Ni
|
1.49 ± 0.14
|
1.525 ± 0.076
|
1.64
|
102.35
|
|
65Cu
|
5.12 ± 0.2
|
5.48 ± 0.02
|
4.8
|
107.03
|
|
66Zn
|
43.6 ± 1.4
|
44.85 ± 0.05
|
1.99
|
102.87
|
|
75As
|
0.138b ± 0.01
|
0.144b ± 0.01
|
3
|
104.35
|
|
82Se
|
NAc
|
BDLd
|
NAc
|
NAc
|
|
111Cd
|
2.23 ± 0.12
|
2.386 ± 0.005
|
4.78
|
106.99
|
|
208Pb
|
0.972b ± 0.147
|
0.965b ± 0.028
|
0.51
|
99.28
|
- a Information value; b ng/g; c Not available; d Below detection limit.
