Rock and Mineral Analysis by Accelerator Mass Spectrometry

The extension of high-sensitivity mass spectrometry to isotope ratios in the range 10 -12 - 10 -15 has been called accelerator mass spectrometry (AMS) because of the use of an additional stage of acceleration that facilitates the removal of molecular interferences and the separation of isobars. In some cases the ultra-high sensitivity is obtained by exploiting the instability of the negative ion of the interfering isobar. It is now possible to measure such isotopes as 14 C at natural abundances as low as one atom in 10 +15 12 C atoms. The ideas behind this significant extension of mass spectrometric techniques will be discussed.

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Rock and Mineral Analysis by Accelerator Mass Spectrometry

Cited by 3 publications

References 5 publications

High-resolution accelerator-based mass spectrometry at isotrace

High-resolution accelerator-based mass spectrometry at isotrace

Geological and inorganic materials

Fundamentals of accelerator mass spectrometry

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