電気分解電極中におけるLi同位体の核反応分析

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タイトル別名
  • Nuclear Reaction Analysis of Li Isotopes in a Ni Cathode used in Electrolysis of aqueous Li_2SO_4 Solution
  • デンキ ブンカイ デンキョクチュウ ニ オケル Li ドウイタイ ノ カクハンノウ ブンセキ

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抄録

A successful application of the electrostatic accelerator, 1.7-MV Tandem Pelletron 5SDH-2, is demonstrated. Nuclear reaction analyses (NRA) using reactions ^7Li(p,2α) and ^6Li(d,2α) have been performed to reveal reliable isotopic abundance ratio of ^6Li/^7Li in Ni thin-film electrodes deposited on PTFE sheets which had been employed as the cathodes in electrolysis of aqueous Li_2SO_4 solution. The reliable conclusion was obtained by simultaneously analyzing Li_2CO_3 and PTFE sheets as reference samples, the former having Li with natural abundance ratio and the latter producing α particles by ^<19>F(p,α)^<16>O or ^<19>F(d,α)^<17>O reaction which could disturb the charged particle spectra to be analyzed.

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