info:eu-repo/semantics/conferencePoster
LAB-ON-VALVE SYSTEM FOR FULLY AUTOMATED OF STABLE AND RADIOACTIVE STRONTIUM DETERMINATION IN SAMPLES OF ENVIRONMENTAL INTEREST
Autor
RAMIRO ROGELIO RODRIGUEZ MORA
Institución
Resumen
A novel and miniaturized lab-on-valve system has been developed for strontium determination in environmental samples. Miniaturized lab-on-valve (LOV) system potentially offers facilities to allow any kind of chemical and physical processes, including fluidic and carrier bead control, homogenous reaction and liquid-solid interaction. A rapid, cheap and fully automated method for the separation and pre-concentration of radioactive strontium, using a solid phase resin (Sr-Resin, TRISKEM International, France), has been developed. In order to optimize the method, stable strontium concentrations are determined by ICP-OES. The Sr-90 activities are measured by a low background proportional counter. The method is applying to different samples of environmental interest.
The proposed system reaches the minimization of sample handling, drastic reduction of reagent volume, improving the reproducibility and the sample throughput and attaining a significant decrease of both time and cost per analysis.
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