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Table 3 Correlation matrix of heavy metal in the vegetables

From: Health risk assessment and heavy metal contamination levels in vegetables from Tamale Metropolis, Ghana

Metal Cd Cr Pb Mn Fe Zn Cu
Cd 1 0.23 0.18 −0.45a 0.17 −0.05 0.11
Cr   1 0.33 −0.01 0.46a 0.08 0.27
Pb    1 0.07 0.53b 0.08 0.54b
Mn     1 0.11 0.01 −0.15
Fe      1 0.20 0.42a
Zn       1 0.06
Cu        1
  1. aCorrelation is significant at the 0.05 level (2-tailed)
  2. bCorrelation is significant at the 0.01 level (2-tailed)
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International Journal of Food Contamination

ISSN: 2196-2804

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