摘要
The measurement method of uranium content was studied by use of natural uranium as spike. Uranium content in the NBS-90 was analyzed. The results were agreeement with the reference standard velves and the relatively expanded uncertainty is less than 0. 50% in 95% confidence level.
出处
《质谱学报》
EI
CAS
CSCD
2004年第B10期25-26,共2页
Journal of Chinese Mass Spectrometry Society