Research Article
Elemental Studies of Soil and Food Flour for Risk Assessment of Highway Pollution Using Particle-Induced X-Ray Emission (PIXE) Spectrometry
Table 6
Pearson correlation matrix of the analyzed elements in the cassava food flours (μg/g).
| | S | Cl | K | Ca | Ti | V | Mn | Fe | Zn | Cr | Zr |
| | S | 1.000 | | | | | | | | | | | | Cl | −.004 | 1.000 | | | | | | | | | | | K | .379 | .868 | 1.000 | | | | | | | | | | Ca | .639 | .104 | .104 | 1.000 | | | | | | | | | Ti | .656 | .006 | .485 | .210 | 1.000 | | | | | | | | V | .910 | −.115 | −.600 | −.399 | .894 | 1.000 | | | | | | | Mn | −.120 | −.476 | −.540 | −.712 | .158 | .100 | 1.000 | | | | | | Fe | −.023 | −.475 | .492 | −.668 | .568 | .543 | .995 | 1.000 | | | | | Zn | .371 | −.029 | .118 | −.458 | .363 | .520 | .743 | .896 | 1.000 | | | | Cr | .546 | .149 | .589 | .118 | .979 | .801 | .279 | .913 | .266 | 1.000 | | | Zr | .623 | .294 | .426 | .815 | .852 | .534 | .396 | .547 | .084 | .502 | 1.000 |
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