...Show More Authors
Determination of the proportion of selected metal elements (Fe, Mn, Co, Cu, Cr, Ni, Mo, Pb, Cd )
using a flame absorption spectroscopy device and the spectroscopy of Graphite furnace, and Phenols so as Free
Radical (NO3-, NO2-) using ultraviolet spectroscopy device in the industrial wastewater of Al-Dura (A) and AlNajaf (B) refinery before and after entering the treatment units, taking into consideration the sampling time Varying
(more than separated) and setting the temperature during the drawing of the model and conducting a statistical
study of the results reached