Determination of the content of impurity elements in a sample of high purity India by the method of radiochemical neutron activation analysis

The present article is devoted to the development of a method for neutron activation analysis of a microimpurity composition of high-purity indium with the radiochemical separation of indium radionuclides from radionuclides of the determined elements by extraction chromatography in the system tribut...

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Bibliographic Details
Published in:Journal of physics. Conference series 2022-01, Vol.2155 (1), p.12023
Main Authors: Sadikov, I.I., Kh. Yarmatov, B., Usmanov, T.M., Sadikova, Z.O.
Format: Article
Language:English
Subjects:
Activation analysis
Composition
extraction chromatography
high purity indium
Hydrobromic acid
Impurities
Indium
Neutron activation analysis
Neutrons
Physics
Purity
Radiochemical analysis
Radiochemical separation
Radioisotopes
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Summary:The present article is devoted to the development of a method for neutron activation analysis of a microimpurity composition of high-purity indium with the radiochemical separation of indium radionuclides from radionuclides of the determined elements by extraction chromatography in the system tributyl phosphate (TBP) - solutions of hydrobromic acid (HBr). Neutron activation analysis (NAA) has a special place among the physical methods for determining the trace composition of high-purity substances. Low detection limits, the possibility of simultaneous determination of a large number of impurity elements from one sample, no correction for the control experiment, the possibility of using inactive carriers in separating traces of radionuclides of impurity elements from matrix elements ensured the widespread use of NAA in the analysis of highly pure substances. The developed technique allows separating matrix radionuclides from radionuclides of impurity elements with high efficiency and determination of 28 impurity elements in high-purity indium with detection limits of 0.7 ppm to 0.05 ppb.
ISSN:1742-6588
1742-6596
DOI:10.1088/1742-6596/2155/1/012023