tsegaye woyessa, Alemayehu; teju, Endale Major Advisor (PhD); Bogale, Yiheyis Co-Advisor (PhD)
(Haramaya university, 2017-05)
The concentrations of heavy metals (Mn, Cr, Pb, Fe and Cd) in different varieties of maize and
sorghum samples were determined by using flame atomic absorption spectrometry. Dry ashing
method was used to destroy the ...