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Tune up a measurement method for the Na-22 on the atmospheric air.

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Martín Gil, Kevin
Tutor / directorDuch Guillen, María AmorMés informacióMés informacióMés informació
Document typeBachelor thesis
Date2016-01-12
Rights accessOpen Access
Attribution-NonCommercial-NoDerivs 3.0 Spain
Except where otherwise noted, content on this work is licensed under a Creative Commons license : Attribution-NonCommercial-NoDerivs 3.0 Spain
Abstract
This report is based on the study of 22Na in the atmospheric air, is focused to know the seasonality of this radionuclide, compare it with another cosmogenic radionuclide, check the efficiency of the applied detection system and propose another method in order to improve the presently used method. This isotope can be used as an atmospheric tracer and can provide information about many atmospheric processes, in particular on the exchange of air between the stratosphere and the troposphere. In this document it is included basic information on the characteristics of 22Na and its origin as well details on the instrumentation and methodology that have been applied. In this document is also explained how has been improved the existent method to detect and quantify the 22Na, it can be applied even during cold seasons in order to detect and quantify the 22Na when the concentration of this radionuclide is really low with a mean value around 0,5 µBq/m3 in summer and around 0,1 µBq/m3 in winter.
SubjectsRadioisotopes, Isòtops radioactius
DegreeGRAU EN ENGINYERIA QUÍMICA (Pla 2010)
URIhttp://hdl.handle.net/2117/98210
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  • Escola Tècnica Superior d'Enginyeria Industrial de Barcelona - Grau en Enginyeria Química (Pla 2010) [128]
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