Startseite Naturwissenschaften Sorption behavior of low specific activity 99Mo on Ti- and Zr-xerogels as an alternative to fission-based 99Mo/99mTc generators
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Sorption behavior of low specific activity 99Mo on Ti- and Zr-xerogels as an alternative to fission-based 99Mo/99mTc generators

  • Nancy Moreno-Gil , Verónica E. Badillo-Almaraz EMAIL logo , Guadalupe C. Velazquez-Peña , Miguel A. Camacho-López und Keila Issac-Olivé
Veröffentlicht/Copyright: 31. Mai 2024
Radiochimica Acta
Aus der Zeitschrift Radiochimica Acta Band 112 Heft 10

Abstract

In order to contribute to the sufficient supply of clinical 99mTc(VII), the sorption behavior of neutron-produced 99Mo(VI) was investigated on synthetized single and binary Ti and Zr xerogels treated at different temperatures, under normal operating conditions. Materials were prepared by the sol–gel method and characterized by several techniques. Sorption batch systems were performed using 99Mo radiotracer to determine the metallic affinity as a function of pH, and a methodology was developed in order to obtain the maximum capacities by surface saturation, where the Ti-388, TiZr-388 (3:1) and Zr-388 samples showed the most noteworthy sorption behaviors (33.1 ± 0.34 mg/g at pH ∼ 6.0, 31.7 ± 0.27 mg/g at pH ∼ 6.5, and 23.5 ± 0.61 mg/g at pH ∼ 6.8, respectively). The molybdenum-99 sorption behavior was also studied by fitting to the Freundlich and Langmuir models, and all xerogels could be described as heterogeneous materials with favorable 99Mo sorption properties. Finally, preliminary studies of clinical-scale 99Mo/99mTc generators were performed, the results revealed the next maximum 99mTc elution yield order Ti-388 (89.6 %) > TiZr-388 (3:1) (86.7 %) > Zr-388 (77.7 %).

Keywords: zirconium; titanium; xerogel; radionuclide generator; radiotracer
Corresponding author: Verónica E. Badillo-Almaraz, Instituto Nacional de Investigaciones Nucleares, Carr. México-Toluca S/N (km 36.5), 52750 La Marquesa, Ocoyoacac, Estado de México, Mexico, E-mail:

  1. Research ethics: Not applicable.

  2. Author contributions: The authors have accepted responsibility for the entire content of this manuscript and approved its submission.

  3. Competing interests: The authors state no conflict of interest.

  4. Research funding: None declared.

  5. Data availability: Not applicable.

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Supplementary Material

This article contains supplementary material (https://doi.org/10.1515/ract-2023-0223).

Received: 2023-08-28
Accepted: 2024-05-02
Published Online: 2024-05-31
Published in Print: 2024-10-28

© 2024 Walter de Gruyter GmbH, Berlin/Boston

Artikel in diesem Heft

  1. Frontmatter
  2. Original Papers
  3. Migration study of uranium in Beishan granite by the continuous column method
  4. Process development studies on the recovery of caesium specific calix-crown-6 extractant from actual spent calix solution for efficient spent solvent management
  5. Evaluating SiO2/Al2O3/poly(acrylic acid-co-glycidyl methacrylate) composite as a novel adsorbent for cobalt(II) radionuclides
  6. Investigation of radioactivity concentrations and soil-to-plant transfer factors in soil samples taken from different distance zones to the Metsamor nuclear power plant
  7. Sorption behavior of low specific activity 99Mo on Ti- and Zr-xerogels as an alternative to fission-based 99Mo/99mTc generators
  8. Application of INAA technique for analysis of essential and toxic elements in two Algerian plants Cynodon dactylon L. and Phragmites australis
  9. Hydrodynamic study of a flow-rig column by means of a radiotracer technique modelling with DTS-Pro 4
  10. On transfer factors of natural radionuclides and radiological health risks assessment of some fruit samples
  11. New lead barium borate glass system for radiation shielding applications: impacts of copper (II) oxide on physical, mechanical, and gamma-ray attenuation properties
https://doi.org/10.1515/ract-2023-0223
Schlagwörter für diesen Artikel
zirconium; titanium; xerogel; radionuclide generator; radiotracer

Artikel in diesem Heft

  1. Frontmatter
  2. Original Papers
  3. Migration study of uranium in Beishan granite by the continuous column method
  4. Process development studies on the recovery of caesium specific calix-crown-6 extractant from actual spent calix solution for efficient spent solvent management
  5. Evaluating SiO2/Al2O3/poly(acrylic acid-co-glycidyl methacrylate) composite as a novel adsorbent for cobalt(II) radionuclides
  6. Investigation of radioactivity concentrations and soil-to-plant transfer factors in soil samples taken from different distance zones to the Metsamor nuclear power plant
  7. Sorption behavior of low specific activity 99Mo on Ti- and Zr-xerogels as an alternative to fission-based 99Mo/99mTc generators
  8. Application of INAA technique for analysis of essential and toxic elements in two Algerian plants Cynodon dactylon L. and Phragmites australis
  9. Hydrodynamic study of a flow-rig column by means of a radiotracer technique modelling with DTS-Pro 4
  10. On transfer factors of natural radionuclides and radiological health risks assessment of some fruit samples
  11. New lead barium borate glass system for radiation shielding applications: impacts of copper (II) oxide on physical, mechanical, and gamma-ray attenuation properties
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