Published July 1987 | Version v1
Journal article Metadata-only

Determination of 238U and 210Pb in environmental samples using a low energy gamma spectrometry

Creators

  • 1. Instituto de Radioprotecao e Dosimetria, Rio de Janeiro (Brazil)

Description

The influence of a sample geometry in the counting efficiency aiming to reduce the value of detection limit for determination of 238U and 210Pb in environmental samples using a low energy gamma spectrometry is studied. The use and performance of intrisic germanium detector, as well as the detection limits for 210Pb and 238U in a sediment samples are analysed. (M.J.C.)

Abstract (Portuguese)

Estuda-se a influencia da geometria da amostra na eficiencia de contagem, visando atimizar o metodo de determinacao de 238U e 210Pb em amstras ambientais por espectrometria gama de baixa energia. Analisam-se a utilizacao e o desempenho do detector de germanio intriseco, como tambem o limite de detecao alcancado para 210Pb e 238U em uma amostra de sedimento. (M.J.C.)

Additional details

Additional titles

Original title (Portuguese)
Analise de

Publishing Information

Journal Title
Quim. Nova
Journal Volume
10
Journal Issue
3
Series
Quim. Nova.
Journal Page Range
181-189
ISSN
0100-4042
CODEN
QUNOD

INIS

Country of Publication
Brazil
Country of Input or Organization
Brazil
INIS RN
19075426
Subject category
S37: INORGANIC, ORGANIC, PHYSICAL AND ANALYTICAL CHEMISTRY;
Descriptors DEI
EFFICIENCY; ENVIRONMENTAL MATERIALS; GAMMA SPECTROSCOPY; KEV RANGE 10-100; LEAD 210; RADIATION DETECTORS; RADIOMETRIC ANALYSIS; SEDIMENTS; SOILS; URANIUM 238
Descriptors DEC
ACTINIDE NUCLEI; ALPHA DECAY RADIOISOTOPES; BETA DECAY RADIOISOTOPES; BETA-MINUS DECAY RADIOISOTOPES; CHEMICAL ANALYSIS; ENERGY RANGE; EVEN-EVEN NUCLEI; HEAVY NUCLEI; ISOTOPES; KEV RANGE; LEAD ISOTOPES; MATERIALS; MEASURING INSTRUMENTS; NUCLEI; QUANTITATIVE CHEMICAL ANALYSIS; RADIOISOTOPES; SPECTROSCOPY; SPONTANEOUS FISSION RADIOISOTO; URANIUM ISOTOPES; YEARS LIVING RADIOISOTOPES