Published 1986 | Version v1
Miscellaneous Metadata-only

Determination of U(VI) microquantities in presence of complexant agents by X-ray fluorescence

Creators

  • 1. Instituto de Engenharia Nuclear, Rio de Janeiro (Brazil)

Description

A method for determination of microquantities of uranium(30-220μg) in presence of complexant agents (α-HIBA, NTA) by adsorption of the complex quinalizarin-U(VI) on the M++-quinalizarin precipitate is described [1]. Several ions of metals as Cu++, Fe++, Ga++, Be++ and Al+++ were tested as precipitant agents. The influence of the complex competition in the mechanism of precipitation is also commented. The uranium was determinated by X-ray fluorescence analysis using the thin film technique [1-3). (Author)

Abstract (Portuguese)

Propoe-se um metodo para a determinacao de microquantidades de uranio (30-220 μg) em presenca de agentes complexantes fortes. O metodo esta baseado na adsorcao do compleco U(VI)-quinalizarina sobre o precipitado do ion de um metal com o mesmo reagente (quinalizarina) [1]. Diferentes ions como Cu++, Fe++, Ga++, Be++ e Al+++ foram testados como agentes precipitantes. A influencia da competicao entre os mecanismos de complexacao e precipitacao e tambem abordado. O uranio foi determinado por fluorescencia de raios-X, usando-se a tecnica da camada delgada [1-3]. (Autor)

Additional details

Additional titles

Subtitle (English)
2. Thin film technique
Original title (Portuguese)
Determinacao de microquantidades de U(VI) em meio complexante por fluorescencia de raios-X
Original subtitle (Portuguese)
2. Tecnica da camada delgada.

Publishing Information

Imprint Title
Proceedings of the 1. General Congress of Nuclear Energy. v. 2
Imprint Pagination
443 p.
Journal Page Range
v. 2 p. 197-200.
Report number
INIS-BR--537(v.2)

Conference

Title
1. General Congress of Nuclear Energy.
Dates
17-20 Mar 1986.
Place
Rio de Janeiro, RJ (Brazil).

INIS

Country of Publication
Brazil
Country of Input or Organization
Brazil
INIS RN
17067631
Subject category
S11: NUCLEAR FUEL CYCLE AND FUEL MATERIALS;
Resource subtype / Literary indicator
Conference
Descriptors DEI
ADSORPTION; AQUEOUS SOLUTIONS; HYDROXY ACIDS; IONS; ISOBUTYL RADICALS; METALS; NTA; PRECIPITATION; QUANTITY RATIO; QUINIZARIN; REAGENTS; THIN FILMS; URANIUM; X-RAY FLUORESCENCE ANALYSIS
Descriptors DEC
ACTINIDES; ALKYL RADICALS; AMINO ACIDS; ANTHRAQUINONES; AROMATICS; CARBOXYLIC ACIDS; CHARGED PARTICLES; CHELATING AGENTS; CHEMICAL ANALYSIS; DISPERSIONS; DYES; ELEMENTS; FILMS; HOMOGENEOUS MIXTURES; HYDROXY COMPOUNDS; MIXTURES; NONDESTRUCTIVE ANALYSIS; ORGANIC ACIDS; ORGANIC COMPOUNDS; ORGANIC OXYGEN COMPOUNDS; QUINONES; RADICALS; SEPARATION PROCESSES; SOLUTIONS; X-RAY EMISSION ANALYSIS

Optional Information

Notes
Imprint:Anais do 1. Congresso Geral de Energia Nuclear. v. 2.