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Capability of gamma - gamma coincidence menthod to analyse arsenic and selenium

Minh Van Truong 1, *
Hung Minh Tran 1
Khang Dinh Pham 2
Hai Xuan Nguyen 2
Thang Huu Ho 2
Anh Ngoc Nguyen 2
  1. Trường Đại Học Đồng Nai
  2. Viện Nghiên Cứu Hạt Nhân
Correspondence to: Minh Van Truong, Trường Đại Học Đồng Nai. Email: pvphuc@vnuhcm.edu.vn.
Volume & Issue: Vol. 17 No. 2 (2014) | Page No.: 82-89 | DOI: 10.32508/stdj.v17i2.1317
Published: 2014-06-30

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Copyright The Author(s) 2023. This article is published with open access by Vietnam National University, Ho Chi Minh city, Vietnam. This article is distributed under the terms of the Creative Commons Attribution License (CC-BY 4.0) which permits any use, distribution, and reproduction in any medium, provided the original author(s) and the source are credited. 

Abstract

The advantage of gamma – gamma coincidence method is abilities of background reduction. This technique has been studied and applications for neutron activation analysis. The experimental neutron activation analysis of geological samples, biological samples and environmental samples has been conducted by several some laboratories in the world. In this study, we would like to present the results of Arsenic and Selenium determination in geology sample by neutron activation analysis with technique of gamma – gamma coincidence measurement. By application of this gamma – gamma coincidence method, the influence isotopes as 182Ta, 181Hf, 152Eu were eliminated output from spectrometric measurement when analyzing 75Se and effects of overlap peaks from spectrometric measurement when analyzing arsenic.Thus improved detection limits for Arsenic and selenium in geological samples when analyzed by neutron activation analysis method.

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