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6863461 
Journal Article 
Prompt gamma-ray analysis of chlorine in superpozz cement concrete 
Naqvi, AA; Kalakada, Z; Al-Matouq, FA; Maslehuddin, M; Al-Amoudi, OSB; Ur-Rehman, K; , 
2012 
1 
Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
ISSN: 0168-9002 
ELSEVIER SCIENCE BV 
AMSTERDAM 
67-73 
WOS:000311008400009 
The chlorine concentration in Superpozz (SPZ) cement concrete was analyzed using a newly designed prompt gamma-ray neutron activation (PGNAA) setup utilizing a portable neutron generator. The setup, which mainly consists of a neutron source along with its moderator placed side by side with a shielded gamma-ray detector, allows determining chloride concentration in a concrete structure from one side. The setup has been tested through chlorine detection in chloride-contaminated Superpozz (SPZ) cement concrete specimens using 6.11 and 2.86 +/- 3.10 MeV chlorine prompt gamma-rays. The optimum 0.032 +/- 0.012 wt% value of Minimum Detectable Concentration (MDC) of chlorine in SPZ cement concrete measured in this study shows a successful application of a portable neutron generator in chloride analysis of concrete structure for corrosion studies. (C) 2012 Elsevier B.V. All rights reserved.