Determination of227Ac in environmental samples by ion-exchange and alpha spectrometry

1987 ◽  
Vol 115 (1) ◽  
pp. 23-37 ◽  
Author(s):  
R. Bojanowski ◽  
E. Holm ◽  
N. E. Whitehead
Keyword(s):  
Ion Exchange ◽  
Environmental Samples ◽  
Alpha Spectrometry

scholarly journals Rapid environmental analysis using molten salt fusion sample preparation

2011 ◽  
Vol 1 (1) ◽  
pp. 213-217
Author(s):  
C. E. Armenta ◽  
E. R. Gonzáles ◽  
J. A. Herrera ◽  
Alexander A. Plionis ◽  
D. S. Peterson
Keyword(s):  
Ion Exchange ◽  
Sample Preparation ◽  
Isotopic Composition ◽  
Molten Salt ◽  
Environmental Samples ◽  
Alpha Spectrometry ◽  
Chemical Exchange ◽  
Soil Samples ◽  
High Throughput Method ◽  
Subsequent Separation

Abstract For the analysis of the isotopic composition of environmental samples, including transuranic materials there are many methods that exist. This paper describes the development of a high throughput method, which involves dissolving a soil into an aqueous matrix, producing a homogenous mixture, and separating radionuclides to enable the identification of specific isotopes. A standard method was modified via changes in oxidation, chemical exchange, decomposition, or rearrangements to form constituents that are more soluble in acidic aqueous solutions. To accomplish this, a molten-salt fusion, dissolution in dilutes nitric or hydrochloric acids, with subsequent separation using ion exchange, direct deposition, and counting by alpha-spectrometry was used. This method is ideal for silicate samples, but can be modified to accommodate more complex soil samples.

Speciation of a lanthanide (Sm) using an ion exchange resin

2016 ◽  
Vol 8 (37) ◽  
pp. 6774-6781 ◽  
Author(s):  
Ildephonse Nduwayezu ◽  
Fatemeh Mostafavirad ◽  
Madjid Hadioui ◽  
Kevin J. Wilkinson
Keyword(s):  
Rare Earth ◽  
Ion Exchange ◽  
Environmental Samples ◽  
Exchange Resin ◽  
Rare Earth Metals ◽  
Ion Exchange Resin ◽  
Exchange Technique ◽  
The Rare Earth

An ion exchange technique has been developed to enable speciation measurements of the rare earth metals in environmental samples.

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