Research Article
Elemental Studies of Soil and Food Flour for Risk Assessment of Highway Pollution Using Particle-Induced X-Ray Emission (PIXE) Spectrometry
Table 5
Pearson correlation matrix of the analyzed elements in the contaminated soils (μg/g).
| | S | Cl | K | Ca | Ti | V | Cr | Mn | Fe | Zn | Zr |
| | S | 1.000 | | | | | | | | | | | | Cl | .871 | 1.000 | | | | | | | | | | | K | .102 | .221 | 1.000 | | | | | | | | | | Ca | .871 | .968 | .397 | 1.000 | | | | | | | | | Ti | .898 | .977 | .290 | .993 | 1.000 | | | | | | | | V | .617 | .895 | .069 | .778 | .788 | 1.000 | | | | | | | Cr | .055 | .319 | −.448 | .230 | .298 | .438 | 1.000 | | | | | | Mn | .766 | .958 | .184 | .942 | .958 | .890 | .537 | 1.000 | | | | | Fe | .735 | .815 | −.341 | .714 | .786 | .770 | .941 | .857 | 1.000 | | | | Zn | −.209 | .053 | −.346 | .022 | .073 | .156 | .937 | .324 | .892 | 1.000 | | | Zr | .729 | .953 | .209 | .874 | .873 | .978 | .305 | .891 | .741 | .024 | 1.000 |
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