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Link to original content: https://pubmed.ncbi.nlm.nih.gov/22972693
Isotope ratio mass spectrometry - history and terminology in brief - PubMed Skip to main page content
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. 2012 Dec;4(12):893-6.
doi: 10.1002/dta.1399. Epub 2012 Sep 12.

Isotope ratio mass spectrometry - history and terminology in brief

Ulrich Flenker  1
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Isotope ratio mass spectrometry - history and terminology in brief

Ulrich Flenker. Drug Test Anal. 2012 Dec.

Abstract

The history of isotope ratio mass spectrometry (IRMS) is briefly described. It is shown that the fundamental design of isotope ratio mass spectrometers has not changed since the 1940s. The basic findings concerning the natural variation of isotope abundances even date back to the 1930s. Recent improvements in the methodology mainly concern online coupling and analytical peripherals. The nature of isotopic scales necessitates a specific terminology which is unfamiliar to many analysts. However, corresponding guidelines exist that should be adopted by the anti-doping community. Currently, steroids represent the only group of compounds routinely analyzed by IRMS in doping-control. Suggestions are made in respect to a harmonized terminology concerning the nature and origins of steroids.

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