ACTIVITY CONCENTRATIONS OF 232TH, 226RA AND 40K AND GAMMA RADIATION ABSORBED DOSE RATE LEVELS IN FARM SOIL FOR THE PRODUCTION OF DIFFERENT BRANDS OF CIGARETTE TOBACCO SMOKED IN NIGERIA

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JIBIRI N.N.; BIERE P.E.

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Journal Paper

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Journal: International Journal of Radiation Research Year:2011 | Volume:8 | Issue:4 Page(s): 201-206

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Information Journal Paper

Title

ACTIVITY CONCENTRATIONS OF 232TH, 226RA AND 40K AND GAMMA RADIATION ABSORBED DOSE RATE LEVELS IN FARM SOIL FOR THE PRODUCTION OF DIFFERENT BRANDS OF CIGARETTE TOBACCO SMOKED IN NIGERIA

Author(s)

JIBIRI N.N. | BIERE P.E. | Issue Writer Certificate

Keywords

ACTIVITY CONCENTRATION

NATURAL RADIONUCLIDES

ABSORBED DOSE RATE

TOBACCO FARM SOIL

SMOKED CIGARETTE

NIGERIA

Abstract

Background: Presently, the British-American Tobacco Company (BAT) located in Ibadan, Oyo State is the only tobacco producing company in NIGERIA accounting for about nine different brands of cigarette tobacco smoked in the country. The tobacco leaves are produced from some farmlands located in Oke-Ogun area of Ibadan where special fertilizers are used for the growing of the tobacco leaves. The use of this fertilizer may enhance natural radionuclide contents in the farm soils and through root uptake be accumulated in the leaves. In this study, soil samples from three farmlands used for the production of the tobacco leaves were collected in order to determine the ACTIVITY CONCENTRATIONs of 226Ra, 232Th and 40K in the farm soil.Materials and Methods: Measurements for the determination of the ACTIVITY CONCENTRATIONs were carried out using gamma-ray spectrometry comprising a lead-shielded 76 mm × 76 mm NaI (Tl) detector crystal (Model 802 series, Bicron NaI) coupled to a Canberra series 10 plus multichannel analyzer (MCA) (model 1104) through an preamplifier base.Results: Results of measurements showed that the average ACTIVITY CONCENTRATIONs of the NATURAL RADIONUCLIDES in the soil samples across the three farms varied from 2550.4±154.6 to 3208.9±188.7 Bq kg-1 for 40K, 33.1±11.9 to 39.9±9.3 Bq kg-1 for 226Ra, while for 232Th it varied between 51.98±8.4 and 56.08±17.51 Bq kg-1. The ACTIVITY CONCENTRATIONs of these radionuclides and gamma ABSORBED DOSE RATEs due to the concentration of these radionuclides were found to be higher than world average values while those of the control farm values were lower to world averages and the tobacco leaf farms.Conclusion: From the results obtained the fertilizer type used on the farmlands for the tobacco leaf production was very rich in 40K with typical values greater 2000 Bq kg-1. Also there may be possible high signatures of 210Pb and 210Po in the tobacco leaves and the cigarette samples smoked in the country. This is a subject for future research consideration given the fact that alpha radiation plays a major role in the etiology of lung cancer.

Cites

Natural radioactivity assessment in soil samples from Kirkuk city of Iraq using HPGe detector

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APA: Copy

JIBIRI, N.N., & BIERE, P.E.. (2011). ACTIVITY CONCENTRATIONS OF ²³²TH, ²²⁶RA AND ⁴⁰K AND GAMMA RADIATION ABSORBED DOSE RATE LEVELS IN FARM SOIL FOR THE PRODUCTION OF DIFFERENT BRANDS OF CIGARETTE TOBACCO SMOKED IN NIGERIA. INTERNATIONAL JOURNAL OF RADIATION RESEARCH, 8(4), 201-206. SID. https://sid.ir/paper/286549/en

Vancouver: Copy

JIBIRI N.N., BIERE P.E.. ACTIVITY CONCENTRATIONS OF ²³²TH, ²²⁶RA AND ⁴⁰K AND GAMMA RADIATION ABSORBED DOSE RATE LEVELS IN FARM SOIL FOR THE PRODUCTION OF DIFFERENT BRANDS OF CIGARETTE TOBACCO SMOKED IN NIGERIA. INTERNATIONAL JOURNAL OF RADIATION RESEARCH[Internet]. 2011;8(4):201-206. Available from: https://sid.ir/paper/286549/en

IEEE: Copy

N.N. JIBIRI, and P.E. BIERE, “ACTIVITY CONCENTRATIONS OF ²³²TH, ²²⁶RA AND ⁴⁰K AND GAMMA RADIATION ABSORBED DOSE RATE LEVELS IN FARM SOIL FOR THE PRODUCTION OF DIFFERENT BRANDS OF CIGARETTE TOBACCO SMOKED IN NIGERIA,” INTERNATIONAL JOURNAL OF RADIATION RESEARCH, vol. 8, no. 4, pp. 201–206, 2011, [Online]. Available: https://sid.ir/paper/286549/en

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