Laser mass-spectrometric analysis of isotopically enriched solid materials

被引：0
|
作者：
Kovalev, ID [1 ]
Potapov, AM [1 ]
机构：
[1] Russian Acad Sci, Inst Chem High Purity Mat, Nizhnii Novgorod, Russia
来源：
INDUSTRIAL LABORATORY | 1998年 / 64卷 / 08期
关键词：
D O I：
暂无
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
A method for isotope analysis of solid materials with an abundance ratio of the main isotope higher than 95% using an "EMAL-2" laser mass spectrometer is described. The method is based on the use of a dry concentrate obtained from a solution of the analyte and an internal isotope standard on a high-purity metal substrate. The concentration of the main isotope is determined by subtracting the total of the other isotopic species determined with a detection limit of n x 10(-6) wt.%. The accuracy of analysis is within 0.1 - 0.02%. The method makes it possible to analyze materials for 72 elements present in trace amounts.
引用
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页码：504 / 508
页数：5
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