ASSESSMENT OF HEAVY METALS IN NIGERIAN VEGETABLES AND SOILS IN OWO AND EDO AXES USING X-RAY FLUORESCENCE (XRF) TECHNIQUE
ABSTRACT The soils and leaves of fluted pumpkin (Telfairia occidentalis), African spinach, "Green" (Amaranthus hybridus) and water leaf (Talinum triangulare) were collected as randomly composite samples from four (4) different study locations of two (2) each from Owo Local Government Area and Etsako-West Local Government Area. The samples were examined for heavy metal concentrations, using X-ray fluorescence (XRF) technique. Chromium (Cr), zinc (Zn), manganese (Mn), iron (Fe), titanium (Ti), strontium ...
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