Assessment of As and Cr Concentration in Gold Bearing Soil using Instrumental Neutron Activation Analysis (INAA)

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Author(s) Abdullahi, M.A | Sadiq, U | Nasiru, R | Zakari, Y.I
Pages 792-796
Volume 2
Issue 11
Date November, 2013
Keywords Concentration Cr, As neutron activation analysis.
Abstract

The concentration of Cr and As in gold bearing soil mine from Brinin Gwari Artisanal Gold mine was investigated using instrumental neutron activation analysis (INAA) techniques. The results showed that Cr has a mean concentration of 105.75 16.53mg/kg in range between 11.0  0.04-235.0  5.0mg/Kg while As has a mean concentration of 526.38  26.29 mg/kg in range between 44.0  0.4 - 29090  6.0mg/kg. The values for Cr are within the world average values and within the tolerate limit while the values of As concentrations obtained in the work are by far more than the world average values and tolerable limit which implies that the miners and surrounding communities are at risk due to the high concentration of As in the area.

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