The isotopic compositions of reference materials are basic parameters for isotopicmeasurement.
同位素参考物质的同位素组成是同位素测量的基本参数。
2
Abstr act: In this study, the methods of preparation and isotopicmeasurement of boron are introduced systematically and briefly.
李世珍 肖应凯 研究员 ： 本文系统而简要地介绍了硼的分离纯化，硼含量和硼同位素组成的测定。
3
The results showed that boron separation by the two-step ion exchange for isotopicmeasurement was more effective. It achieved high accuracy of isotopicmeasurement of boron.