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Scientifica
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2020
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Article
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Tab 5
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Research Article
Physicochemical Characterization of Mining Waste from the Betare-Oya Gold Area (East Cameroon) and an Adsorption Test by Sabga Smectite (North-West Cameroon)
Table 5
Correlation matrix between heavy metals determined in sediment samples.
Variables
Cu
Ni
Zn
Mn
Fe
Cr
As
Pb
Cu
1
0.299
0.328
0.392
0.773
0.140
0.203
0.277
Ni
0.299
1
0.522
−0.595
0.198
0.341
−0.009
0.482
Zn
0.328
0.522
1
0.050
0.385
−0.058
−0.378
0.311
Mn
0.392
−0.595
0.050
1
0.365
−0.177
0.110
−0.218
Fe
0.773
0.198
0.385
0.365
1
−0.098
0.053
0.026
Cr
0.140
0.341
−0.058
−0.177
−0.098
1
0.660
0.239
As
0.203
−0.009
−0.378
0.110
0.053
0.660
1
−0.149
Pb
0.277
0.482
0.311
−0.218
0.026
0.239
−0.149
1