RADIOCHEMICAL PURITY AND MOLAR ACTIVITY OF COMPOUNDS LABELED WITH SHORT-LIVED RADIOISOTOPES

被引：0
|
作者：
KOGAN, NA
ASKINAZI, BZ
KRAMEROV, VN
MYASOEDOV, NF
机构：
来源：
SOVIET RADIOCHEMISTRY | 1990年 / 32卷 / 05期
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中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
A molecule containing n radioactive atoms is assumed to form a cascade of impurities if any of them decays. A mathematical model of the molecular decay process of compounds labelled with short-lived isotopes is proposed. Equations are derived for the change of radiochemical purity and specific activity with time. Progesterone labelled with 1, 2, 4, and 6 tritium atoms agrees satisfactorily with the experimental and calculated radiochemical purities. The molecular decay of compounds labelled with short-lived isotopes in contrast with radiolysis does not depend on the storage conditions and is a fundamental property of this class of compounds.
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页码：543 / 547
页数：5
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