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在现代考古学中 ,利用放射性同位素的衰变特性能够准确地测定一些古代生物的年龄或年代 ;14 C年龄测定法已是确定大约几万年内事件的主要依据了 .本文试就 14 C年龄测定法的原理和测定方法作简单的介绍 .一、14 C年龄测定法的原理14 C是普通碳 (12 C)的放射性同位素 .由于宇宙
In modern archaeology, the decay characteristics of radioactive isotopes can be used to accurately determine the age or age of some ancient organisms; the 14 C age determination method has been the main basis for determining events in the tens of thousands of years. This paper deals with the 14 C age determination method. The principles and measurement methods are briefly introduced. I. Principles of 14 C Age Determination 14 C is a radioactive isotope of normal carbon (12 C). Due to the universe