ISOTOPIC DETERMINATION OF CALCIUM-43 BY PROTON ACTIVATION

被引：3

作者：

BRITS, RJN

PEISACH, M

机构：

[1] Southern Universities Nuclear Institute, Faure, C.P.

来源：

JOURNAL OF RADIOANALYTICAL CHEMISTRY | 1969年 / 3卷 / 5-6期

关键词：

D O I：

10.1007/BF02513777

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

An activation analysis method has been developed for the routine determination of43Ca. The calcium is chemically separated and converted to fluoride. When activated for 2 hours with 4.50 MeV protons,43Sc and48Sc are produced and the ratio of their activities is a measure of the isotopic concentrations of43Ca.48Ca serves as an internal standard to represent total natural calcium. The relative standard deviation is ±1.5% and the method can determine a change of +0.004 atom %43Ca in natural calcium.42Ca may interfere, if present in enriched concentrations. © 1969 Akadémiai Kiadó.

引用

页码：345 / &

共 16 条

[1]

ASTON FW, 1934, NATURE, V57, P684

[2] CALCIUM ISOTOPE RATIOS IN THE HOMESTEAD AND PASAMONTE METEORITES AND A DEVONIAN LIMESTONE [J].