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Research Paper | Physics Science | India | Volume 3 Issue 7, July 2014

Study of Gamma Ray Backscattering with Special Reference to Admixture of Kerosene and Petrol

Chikkappa Udagani

Abstract: this paper presents the experimental study of gamma ray backscattering from water, kerosene, petrol and admixture of kerosene and petrol. Kerosene is the most common adulterant used for petrol. The main intension of this experimental work is to study the variation of backscattered gamma ray intensity with density of sample and thereby knowing the presence of kerosene in petrol. The gamma backscattering technique is an analytical tool for testing materials non-destructively. In this experimental work 137Cs- radioactive source and GSpec gamma spectroscopy system consisting 2 X 2 NaI (Tl) detector have been used. From the experimental results it is found that for fixed height, the count rate under backscattering peak is maximum for pure water followed by kerosene and minimum for petrol and also the count rate under backscattering peak increases with increasing amount of kerosene in the admixture of petrol and kerosene. This important result is useful for quantitative estimation of kerosene presence in petrol.

Keywords: admixture, adulterant, backscattering, kerosene, petrol

Edition: Volume 3 Issue 7, July 2014,

Pages: 1659 - 1662

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