Uranium In Groundwaters From Botucatu-
Piramboia Aquifer, Brazil
Author(s)
D.M. Bonotto
Abstract
Groundwater from 60 pumped tubular wells of the Botucatu-Piramboia aquifer
system located at the Parana sedimentary basin in Brazil were chemically
analysed with the aim of evaluating if the mechanisms related to the migration of
uranium can generate concentrations greater than the maximum permissible limit
in drinking water, as defined by the Brazilian national standards.
1 Introduction
The natural radioelement uranium is widely distributed in crustal rocks, and
under conditions present at the earth's surface, it tends to be a mobile element.
^*U is the principal isotope of natural U (99.3% abundance) and is the parent
nuclide in the mass number (4n+2) decay series, the longest known series.
Uranium in th
Keywords
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