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3D printed resin-coated device for uranium (VI) extraction.

Melisa Rodas Ceballos1, Francisco González Serra2, José Manuel Estela3

  • 1Environmental Radioactivity Laboratory (LaboRA), University of the Balearic Islands, 07122 Palma de Mallorca, Spain; Sciware Systems, Spin-Off UIB-004, 07193 Bunyola, Spain.

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Summary

This study introduces a 3D printed device for uranium(VI) extraction using TEVA resin. The innovative support material demonstrates high precision and durability for efficient uranium preconcentration and detection.

Keywords:
3D printingAliquat®336ICP-MSTEVA resinUranium(VI)

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Area of Science:

  • Analytical Chemistry
  • Materials Science
  • Nuclear Chemistry

Background:

  • Uranium extraction and detection are critical for environmental monitoring and nuclear fuel cycle management.
  • Conventional methods for uranium preconcentration can be time-consuming and require complex sample preparation.
  • Developing novel, efficient, and robust supports for solid-phase extraction is an active area of research.

Purpose of the Study:

  • To develop and characterize a 3D printed device fabricated by laser-based stereolithography (SLA) as a support for uranium(VI) extraction.
  • To evaluate the performance of the 3D printed device immobilized with TEVA resin and Aliquat®336 for uranium preconcentration.
  • To demonstrate the application of the developed device for uranium detection in real-world matrices.

Main Methods:

  • Fabrication of a 3D printed device using SLA technology.
  • Immobilization of TEVA resin and Aliquat®336 onto the 3D printed support via UV photocuring.
  • Characterization of the 3D printed extraction devices.
  • Optimization of uranium(VI) extraction parameters using the TEVA resin-supported device.
  • Detection of uranium using Inductively Coupled Plasma-Mass Spectrometry (ICP-MS).

Main Results:

  • The TEVA resin-immobilized 3D printed device achieved high precision (RSD 2.9%) and a low limit of detection (LOD) of 0.03 ng U(VI).
  • The device demonstrated excellent durability, maintaining 90% recovery with 5% RSD over 10 consecutive extractions.
  • The 3D printed device effectively preconcentrated uranium from sample volumes up to 30 mL without pretreatment.
  • Satisfactory results were obtained for uranium analysis in phosphogypsum and water reference materials at a 95% confidence level.

Conclusions:

  • Laser-based stereolithography offers a viable method for fabricating 3D printed supports for solid-phase extraction of uranium(VI).
  • The TEVA resin-immobilized 3D printed device provides a precise, durable, and efficient platform for uranium preconcentration and analysis.
  • This technology holds promise for simplified and improved uranium monitoring in various environmental and industrial applications.