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http://dx.doi.org/10.7733/jkrws.2011.9.1.41

Detection of Colloidal Nanoparticles in KURT Groundwater by a Mobile Laser-Induced Breakdown Detection System  

Jung, Euo-Chang (Korea Atomic Energy Research Institute)
Cho, Hye-Ryun (Korea Atomic Energy Research Institute)
Park, Mi-Ri (Korea Atomic Energy Research Institute)
Baik, Min-Hoon (Korea Atomic Energy Research Institute)
Publication Information
Journal of Nuclear Fuel Cycle and Waste Technology(JNFCWT) / v.9, no.1, 2011 , pp. 41-48 More about this Journal
Abstract
A mobile laser-induced breakdown detection (LIBD) system was developed for the field measurement of the size and concentration of aquatic colloidal nanoparticles sampled from Korea Atomic Energy Research Institute Underground Research Tunnel (KURT). The established LIBD apparatus is based on the optical detection of a laser-induced plasma by means of a two-dimensional optical imaging method for determining the size of nanoparticle. Calibration curve for determining the size of nanoparticle was obtained from the polystyrene reference particles of a well-defined size. The first direct application was made at KURT for investigating the particle sizes in groundwater. By comparing the size of particles in groundwater with the sizes of reference particles, the mean particle size of approximately $108{\pm}26$ nm with the concentration lower than 50 ppb was determined.
Keywords
LIBD; Colloids; Particle size; Particle concentration; Migration of nuclides;
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Times Cited By KSCI : 3  (Citation Analysis)
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