A method by cumulative intensity of ion current to analyse isotopic ratio is proposed in present paper.
本文介绍了离子流强度累计测定同位素比的方法。
2
The isotopic ratio of lithium was determined by cumulating intensity of ion current during evaporation of all samples on evaporation filament.
用热表面离子源测定了锂同位素丰度，在样品全耗尽过程中累计离子流强度。
3
The results showed that boron separation by the two-step ion exchange for isotopic measurement was more effective. It achieved high accuracy of isotopic measurement of boron.