Author:
B.J. Nyarko Ghana Atomic Energy Commission National Nuclear Research Institute P. O. Box LG 80 Legon-Accra Ghana

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Abstract  

Instrumental neutron activation analysis (INAA) has been employed forthe determination of arsenic in samples of water bodies at Konongo an oldmining town in the Ashanti region of Ghana and its surrounding towns and villages.In some of the water samples, significant levels of arsenic were recordedbut others gave no indication of the metal. The precision and accuracy ofthe method was evaluated using real ore samples and standard reference materials.The accuracy of the method was found to be within ±6%. The averagearsenic levels found in the water samples ranged between 0.04 and 12.2 mg/l.Untreated ore and tailing samples were also analysed for arsenic. The surfaceore gave an arsenic concentration of 4,628±97 ppm while that of thebottom ore was 2,978±69 ppm. For the tailing samples, the range ofarsenic level was 1,776 to 1,787 ppm. It was observed that the upper sink(i.e., the surface portion of the ore) showed higher levels of arsenic thanthe lower one (i.e., bottom portion of the ore).

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Journal of Radionalytical and Nuclear Chemistry
Language English
Size A4
Year of
Foundation
1968
Volumes
per Year
1
Issues
per Year
12
Founder Akadémiai Kiadó
Founder's
Address
H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
Publisher Akadémiai Kiadó
Springer Nature Switzerland AG
Publisher's
Address
H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
CH-6330 Cham, Switzerland Gewerbestrasse 11.
Responsible
Publisher
Chief Executive Officer, Akadémiai Kiadó
ISSN 0236-5731 (Print)
ISSN 1588-2780 (Online)