TITLE:
Assessment of heavy metal contamination in vegetables consumed in Zanzibars
AUTHORS:
Najat K. Mohammed, Fatma O. Khamis
KEYWORDS:
Heavy Metals; Contamination; Amaranth; Cabbage; Zanzibar; EDXRF
JOURNAL NAME:
Natural Science,
Vol.4 No.8,
August
29,
2012
ABSTRACT: Samples of amaranth and cabbage from Zanzibar were analyzed for heavy metal concentrations using Energy Dispersive X-ray Fluorescence spectrometry (EDXRF) of Tanzania Atomic Energy Commission (TAEC) in Arusha. Thirty samples of amaranth and twenty five samples of cabbage were collected from four farms and two markets at Urban West Region in Zanzibar. The concentrations of Al, Cl, Cr, Mn, Fe, Ni, Zn, Cu, Ag, I, Br, Cd and Pb are presented and discussed. Amaranth had significant (P