RO film-based pretreatment method for tritium determination by LSC

Area of Science:

• Environmental Science
• Analytical Chemistry
• Nuclear Science

Background:

• Tritium analysis in water is crucial for environmental radiation monitoring.
• Current methods, like liquid scintillation counting (LSC), rely on time-consuming pretreatment processes.

Purpose of the Study:

• To develop and evaluate a novel pretreatment device for tritium analysis in water using reverse osmosis (RO) technology.
• To optimize the pretreatment process for improved efficiency and automation in tritium analysis.

Main Methods:

• Development of a pretreatment device utilizing a reverse osmosis (RO) film.
• Experimental studies involving repeated analyses to assess comprehensive performance.
• Processing of tritium samples with varying concentrations to evaluate tritium residue impact.
• Comparison with the traditional atmospheric distillation pretreatment method.

Main Results:

• The developed RO-based device reduced tritium pretreatment time by approximately 77% compared to traditional methods.
• Negligible impact of tritium residue in the RO film was confirmed across different sample concentrations.
• The new method demonstrated reliability comparable to atmospheric distillation when assessed under identical measurement conditions.

Conclusions:

• The developed reverse osmosis pretreatment device offers a simple, highly automated, and efficient solution for tritium analysis in water.
• This advancement significantly improves the overall efficiency of environmental radiation monitoring through faster tritium detection.