Authors:
S. Waheed Chemistry Division, Pakistan Institute of Nuclear Science and Technology, P.O. Nilore, Islamabad, 45650 Pakistan

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Sabiha-Javied Pakistan Institute of Engineering and Applied Sciences, P.O. Nilore, Islamabad, 45650 Pakistan

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N. Siddique Chemistry Division, Pakistan Institute of Nuclear Science and Technology, P.O. Nilore, Islamabad, 45650 Pakistan

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R. Shakoor Pakistan Institute of Engineering and Applied Sciences, P.O. Nilore, Islamabad, 45650 Pakistan

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M. Tufail Pakistan Institute of Engineering and Applied Sciences, P.O. Nilore, Islamabad, 45650 Pakistan

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Abstract  

Sensitive nondestructive instrumental neutron activation analysis (INAA) technique has been applied for the determination of rare earth elements (REEs) (Ce, Eu, La, Lu, Sm, Tb and Yb) in phosphate rocks (PR) and granulated single super-phosphate (GSSP) fertilizer samples from Hazara district of Pakistan. The comparison of the PR with product fertilizers shows that most of the quantified REEs were found to be in lower contents in the fertilizers. Six fertilizer samples with different N, P and K ratio for distinctive application to plants were also characterized. The REEs in these showed irregular patterns that can be attributed to difference in their manufacturing and chemical processes. The REEs contents of local phosphate fertilizer were found to be lower in comparison to the values cited in the literature; however Ce is relatively high. For quality assurance fair agreement was found between the results obtained for reference materials IAEA SL-1 (Lake Sediment) and GSJ-JR-1 (Rhyolite).

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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)