Optimization of measurement counting time in Gamma-ray spectrometry of soil samples

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Shafiei Sepideh

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Journal Paper

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Journal: Journal of Radiation Safety and Measurement Year:2020 | Volume:8 | Issue:1 Page(s): 7-12

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Information Journal Paper

Title

Optimization of measurement counting time in Gamma-ray spectrometry of soil samples

Author(s)

Shafiei Sepideh | Issue Writer Certificate

Keywords

Gamma-ray spectrometryQ1

Minimmum detectable activityQ1

Counting timeQ1

Abstract

The method of optimal measurement Counting time in Gamma spectrometry for soil samples was studied. Gamma spectrometry was done based on minimum detectable activity using the HPGe-p type with efficiency of 30% and FWHM 1. 7keV (for 1. 33 MeV 60Co). The samples were IAEA-RG Th-1, IAEA-RGU-1 and IAEA-RGK-1 prepared in bottles. The measurements were done for 12 different Counting times from 5 min to 36 hour. The minimum detectable activity (MDA) was determined for daughters’ of 232Th, 238U, 235U and radionuclide 40K. The Counting time in which the changes of the MDA is less than 0. 05 Bq/kg· h was considered as the optimal Counting time.

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APA: Copy

Shafiei, Sepideh. (2020). Optimization of measurement counting time in Gamma-ray spectrometry of soil samples. IRANIAN JOURNAL OF RADIATION SAFETY AND MEASUREMENT, 8(1 ), 7-12. SID. https://sid.ir/paper/381351/en

Vancouver: Copy

Shafiei Sepideh. Optimization of measurement counting time in Gamma-ray spectrometry of soil samples. IRANIAN JOURNAL OF RADIATION SAFETY AND MEASUREMENT[Internet]. 2020;8(1 ):7-12. Available from: https://sid.ir/paper/381351/en

IEEE: Copy

Sepideh Shafiei, “Optimization of measurement counting time in Gamma-ray spectrometry of soil samples,” IRANIAN JOURNAL OF RADIATION SAFETY AND MEASUREMENT, vol. 8, no. 1 , pp. 7–12, 2020, [Online]. Available: https://sid.ir/paper/381351/en

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