High precision analysis of trace lithium isotope by thermal ionization mass spectrometry

TANG Lei LIU Xuemei LONG Kaiming LIU Zhao YANG Tianli

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High precision analysis of trace lithium isotope by thermal ionization mass spectrometry

更新时间：2021-03-05

- High precision analysis of trace lithium isotope by thermal ionization mass spectrometry
- NUCLEAR TECHNIQUES Vol. 33, Issue 5, (2010)
- 作者机构：
  
  中国工程物理研究院核物理与化学研究所
- 作者简介：
- 基金信息：
- DOI：
  CLC： O614.111
- Published：01 May 2010
- 稿件说明：
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[1]汤磊,刘雪梅,龙开明,刘钊,杨天丽.痕量锂同位素的热表面电离质谱高精度测量[J].核技术,2010,33(05):370-374.

TANG Lei LIU Xuemei LONG Kaiming LIU Zhao YANG Tianli. High precision analysis of trace lithium isotope by thermal ionization mass spectrometry[J]. Nuclear techniques, 2010, 33(5): 370-374.
[1]汤磊,刘雪梅,龙开明,刘钊,杨天丽.痕量锂同位素的热表面电离质谱高精度测量[J].核技术,2010,33(05):370-374. DOI：

TANG Lei LIU Xuemei LONG Kaiming LIU Zhao YANG Tianli. High precision analysis of trace lithium isotope by thermal ionization mass spectrometry[J]. Nuclear techniques, 2010, 33(5): 370-374. DOI：

摘要

建立了痕量锂同位素的高精度热电离质谱测量技术。通过双带测量、加入磷酸发射剂及采用预烧处理方法等途径

抑制了分馏效应

提高了痕量锂质谱分析的精度。采用浓缩锂同位素标准样品考察了测量效果

对于100ng锂样品

测量相对标准偏差好于0.086%;对于10ng锂样品

相对标准偏差好于0.90%。

Abstract

High precision analysis method of ng lithium by thermal ionization mass spectrometry is developed.By double-filament measurement

phosphine acid ion enhancer and sample pre-baking technique

the precision of trace lithium analysis is improved.For 100 ng lithium isotope standard sample

relative standard deviation is better than 0.086%;for 10 ng lithium isotope standard sample

relative standard deviation is better than 0.90%.

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Related Author

HAN Ling

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GE Min

QIAN Yuan

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TANG Lei

LIU Xuemei

LONG Kaiming

Related Institution

Shanghai Institute of Applied Physics, Chinese Academy of Sciences

University of Chinese Academy of Sciences

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