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Journal of Analytical Methods in Chemistry
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Journal of Analytical Methods in Chemistry
/
2016
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Article
/
Tab 2
/
Research Article
Determination of Heavy Metals in
Alpinia oxyphylla
Miq. Collected from Different Cultivation Regions
Table 2
The preparation of calibration solutions of heavy metals.
Element
1
2
3
4
5
6
As
0
2
5
10
20
50
Hg
0
0.1
0.2
0.5
1.0
2.0
Pb
0
5
10
20
40
80
Cd
0
0.5
1
2
4
8
Cu
0
0.2
0.5
1.0
1.5
2.0