KBrO3晶体中82Br、81mSe和76As反冲原子的化学状态

Journal of Inorganic and Nuclear Chemistry Pub Date : 1981-01-01 DOI:10.1016/0022-1902(81)80059-0

M.T.A. Teeling , A.H.W. Aten Jr. , J. Boersma, P.W.F. Louwrier, D.J. Apers

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引用次数: 2

摘要

在环境温度下，快中子活化的KBrO3中82BrO3−的保留率约为18%。在523 K下退火，提高到50%。同时生成的81mSe在室温下以SeO42−的形式出现，约占90%，退火后这一比例增加到接近100%。76As反冲原子100%呈现为AsO43−。提出了一种基于不同激活能谱的过程描述方法。基于反冲原子在主晶格中的稳定形式与主晶格的晶体结构相容，并可能由主晶格的晶体结构所施加的假设，给出了这些过程的模型。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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The chemical state of 82Br, 81mSe and 76As recoil atoms in KBrO3 crystals

The retention of ⁸²BrO₃⁻ in KBrO₃ activated with fast nuetrons is about 18% at ambient temperature. Annealing at 523 K gives an increase to 50%. Simultaneously produced ^81mSe appears in about 90% as SeO₄²⁻ at room temperature, which percentage increases to near 100% after annealing. The ⁷⁶As recoil atoms appear 100% as AsO₄³⁻. A description is proposed, based on processes with different spectra of energies of activation. A model is given for these processes, based on the hypothesis that the recoil atom stabilizes in the host lattice in a form which is compatible with, and may be imposed by the crystal structure of the host lattice.

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