Published 1982
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Introduction and optimization of methods for isotopic determination of thorium and uranium via α-spectroscopy and their applications in analysis of water from Morro do Ferro, Brazil
Description
Methods for isotopic determination of thorium and uranium via α-spectroscopy, using a surface barrier detector, are described. The methods were applied in surface waters, borehole water, sediments and minerals from Morro do Ferro (MG), Brazil. Results and analysis by different techniques are compared and some discussions concerning to Th-concentration levels and anomalous isotopic and nuclidic ratios are presented. (Author)
Abstract (Portuguese)
Descrevem-se metodos para analise isotopica de torio e uranio via espectroscopia-α usando-se detector de barreira de superficie. Os metodos foram aplicados em aguas de superficie, aguas de profundidade, sedimentos e minerios do Morro do Ferro (MG). Resultados e analise pelas diferentes tecnicas sao comparados e algumas conclusoes sao apresentadas, quanto aos niveis de concentracao de Th, e anomalias nas razoes isotpicias e nuclidicas. (Autor)Files
19044487.pdf
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Additional details
Additional titles
- Original title (Portuguese)
- Introducao e otimizacao de metodos para analise de torio e uranio via espectroscopia α e suas aplicacoes na analise de aguas do Morro de Ferro (MG)
Publishing Information
- Imprint Pagination
- 119 p.
- Report number
- INIS-BR--1025
INIS
- Country of Publication
- Brazil
- Country of Input or Organization
- Brazil
- INIS RN
- 19044487
- Subject category
- S58: GEOSCIENCES;
- Resource subtype / Literary indicator
- Thesis
- Descriptors DEI
- ALPHA SPECTROSCOPY; BRAZIL; GROUND WATER; ISOTOPE RATIO; MINERALS; QUANTITATIVE CHEMICAL ANALYSIS; SEDIMENTS; SURFACE BARRIER DETECTORS; SURFACE WATERS; THORIUM ISOTOPES; URANIUM ISOTOPES
- Descriptors DEC
- CHEMICAL ANALYSIS; DEVELOPING COUNTRIES; HYDROGEN COMPOUNDS; LATIN AMERICA; MEASURING INSTRUMENTS; OXYGEN COMPOUNDS; POLAR SOLVENTS; RADIATION DETECTORS; SEMICONDUCTOR DETECTORS; SOLVENTS; SOUTH AMERICA; SPECTROSCOPY; WATER