A rapid method for simultaneously determining activity of 89Sr and 90Sr in a non-equilibrated 90Sr/90Y system without Cerenkov counting,Journal of Radioanalytical and Nuclear Chemistry

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A rapid method for simultaneously determining activity of 89Sr and 90Sr in a non-equilibrated 90Sr/90Y system without Cerenkov counting
Journal of Radioanalytical and Nuclear Chemistry ( IF 1.5 ) Pub Date : 2024-02-12 , DOI: 10.1007/s10967-023-09309-1
Cong Wei ₁

Affiliation

A method for determining activity of ⁸⁹Sr and ⁹⁰Sr in a sample where ⁹⁰Sr and ⁹⁰Y are not in equilibrium is presented. The method consists of an experimental design and equations for accurately calculating activity of ⁸⁹Sr and ⁹⁰Sr based on ⁹⁰Y β particle counts and the total counts of β particles emitted from ⁸⁹Sr, ⁹⁰Sr, and ⁹⁰Y in a sample. The equations are derived based on chemical separation sequences, β particle counting sequences, and the Bateman equation. The presented method allows simultaneously obtaining the activity of ⁸⁹Sr and ⁹⁰Sr in a non-equilibrated ⁹⁰Sr/⁹⁰Y system without the need of Cerenkov counting.

中文翻译：

一种在非平衡 90Sr/90Y 系统中同时测定 89Sr 和 90Sr 活性的快速方法，无需 Cerenkov 计数

提出了一种在 ^{90 Sr}和 ⁹⁰Y 不平衡的样品中测定 ⁹⁰Sr 和 ⁹⁰Sr 活性的方法。该方法由实验设计和方程组成，用于根据 ⁹⁰Y β 颗粒计数以及样品中 ⁸⁹Sr、⁹⁰Sr 和 ⁹⁰Y 发射的 β 颗粒总数准确计算 ⁸⁹Sr 和 ⁹⁰Sr 的活性。这些方程是根据化学分离序列、β粒子计数序列和 Bateman 方程得出的。所提出的方法允许在非平衡的 ⁹⁰Sr/⁹⁰Y 系统中同时获得 ⁸⁹Sr 和 ⁹⁰Sr 的活性，而无需 Cerenkov 计数。

更新日期：2024-02-13

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