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The study aims to investigate the desorption process of cesium from phytoliths using advanced mass spectrometry techniques.

April 1, 2026Open Access

Analysis of Cs Removal Process from Phytoliths by FIB-TOF-SIMS

Key Points

The study aims to investigate the desorption process of cesium from phytoliths using advanced mass spectrometry techniques.
Developed and analyzed FIB-TOF-SIMS instrumentation
Examined the desorption of cesium from phytoliths
Investigated the impact of heat treatment on desorption
Identified that cesium is adsorbed on phytoliths
Demonstrated effective cesium desorption with heat treatment
Provided insights into potential decontamination methods for nuclear sites

Abstract

We have been conducting research on the development and analysis of FIB-TOF-SIMS (Focused Ion Beam Time-of-Flight Secondary Ion Mass Spectrometry) instrumentation. As a part of this research, we are also working on the content of research for decontamination activities in the Fukushima Daiichi Nuclear Power Plant accident. In our previous study, we confirmed that Cs is adsorbed on phytolith, which is a silicate material contained in plants. In this study, we analyzed the desorption process of Cs from plant opal using FIB-TOF-SIMS from the viewpoint of heat treatment.

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