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Determination of Arsenic with Overlap Peaks in Neutron Activation Analysis by Event-Event Coincidence Technique
Corresponding Author(s) : Nguyen Xuan Hai
Asian Journal of Chemistry,
Vol. 28 No. 9 (2016): Vol 28 Issue 9
Abstract
The high compton background and peak overlap restrict the applicability of instrumental neutron activation analysis (INAA). The coincidence technique can greatly reduce these problems. Some previous results have proved the ability of event-event coincidence method for determination of elements with overlap peaks in complex matrix sample. In this work, we analyzed arsenic in geological sample to evaluate advantages of the coincidence technique in instrumental neutron activation analysis. An innovation in data analysis process, which helps to reduce the measurement time and to improve the detection limit is also presented.
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- P.P. Ember, T. Belgya and G.L. Molnar, Appl. Radiat. Isot., 56, 535 (2002);
- doi:10.1016/S0969-8043(01)00153-1.
- P.D. Khang, N.X. Hai, V.H. Tan and N.N. Dien, Nucl. Instrum.Methods Phys. Res.A, 634, 47 (2011); doi:10.1016/j.nima.2011.01.025.
- N.X. Hai, T. Van Minh, P.D. Khang, H.H. Thang and N.N. Anh, J. Radioanal. Nucl. Chem., 304, 1179 (2015); doi:10.1007/s10967-015-3930-y.
- N.X. Hai, T.M. Hung, H.H. Thang, N.N. Anh and N.A. Son, Int. J. Environ. Eng., 2, 108, (2015).
- Montana II Soil, Certificate of analysis, Standard Reference Material 2711a.http://www.clu-in.org/conf/tio/xrf_082808/cd/NIST-Standard-Reference-Materials/NIST_SRM_2711.pdf. Accessed 1 Oct 2013.
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References
M. Oshima, Y. Toh, T. Hayakawa, Y. Hatsukawa and N. Shinohara, J. Nucl. Sci. Technol., 39, 1369 (2002); doi:10.1080/00223131.2002.10875359.
Y. Hatsukawa, M. Oshima, T. Hayakawa, Y. Toh and N. Shinohara, Nucl. Instrum. Methods Phys. Res. A, 482, 328 (2002); doi:10.1016/S0168-9002(01)01510-8.
B.E. Tomlin, R. Zeisler and R.M. Lindstrom, Nucl. Instrum.Methods Phys. Res.A, 589, 243 (2008); doi:10.1016/j.nima.2008.02.094.
P.P. Ember, T. Belgya and G.L. Molnar, Appl. Radiat. Isot., 56, 535 (2002);
doi:10.1016/S0969-8043(01)00153-1.
P.D. Khang, N.X. Hai, V.H. Tan and N.N. Dien, Nucl. Instrum.Methods Phys. Res.A, 634, 47 (2011); doi:10.1016/j.nima.2011.01.025.
N.X. Hai, T. Van Minh, P.D. Khang, H.H. Thang and N.N. Anh, J. Radioanal. Nucl. Chem., 304, 1179 (2015); doi:10.1007/s10967-015-3930-y.
N.X. Hai, T.M. Hung, H.H. Thang, N.N. Anh and N.A. Son, Int. J. Environ. Eng., 2, 108, (2015).
Montana II Soil, Certificate of analysis, Standard Reference Material 2711a.http://www.clu-in.org/conf/tio/xrf_082808/cd/NIST-Standard-Reference-Materials/NIST_SRM_2711.pdf. Accessed 1 Oct 2013.
How counting statistics controls detection limits and peak precision, AN59 Application Note, ORTEC.http://www.ortec-online.com/download/Application-Note-AN59-Counting-Statistics-Controls-Detection-Limits-Peak-Precision.pdf. Accessed 1 Jan 2014.