Improved Infrared Spectroscopic Method for the Measurement of 13C: 12C Ratios-Reference-Cited by-同舟云学术

Improved Infrared Spectroscopic Method for the Measurement of 13C: 12C Ratios

Published:1997-01 Issue:1 Volume:51 Page:17-21
ISSN:0003-7028
Container-title:Applied Spectroscopy
language:en
Short-container-title:Appl Spectrosc

Author:

Kindness Andrew¹,Marr Iain L.¹

Affiliation:

1. Department of Chemistry, University of Aberdeen, Meston Walk, Old Aberdeen AB9 2UE, U.K.

Abstract

Pressure broadening of an infrared absorption band of gaseous CO2 makes measurement of a band intensity very much easier and also much more precise in comparison with the results obtained by measuring the intensity of a single line in a gas-phase spectrum. The isotopic shift of the v3 bands for carbon dioxide centered at 2350 cm−1 is sufficient to completely separate the P branch for 13CO2 from the two branches for 12CO2. The intensity ratios can be measured accurately on a low-resolution FT-IR spectrometer when the CO2 is pressurized to 10 bar (106N m−2) with N2, permitting isotope ratio differences as small as 0.02 atom % above the natural abundance of 1.11 atom % to be detected.

Publisher

SAGE Publications

Subject

Spectroscopy,Instrumentation

Link

http://journals.sagepub.com/doi/pdf/10.1366/0003702971938911

Reference15 articles.

1. The applicability of evacuated serological tubes for the collection of breath for isotopic analysis of CO2 by isotope ratio mass spectrometry

2. Optical Analysis of 12C/13C and 12C/14C Ratios in Carbon Dioxide, by Measurements on the CO+ Spectrum in the Wavelength Interval between 210 and 250 nm

3. Measurement of carbon-13 dioxide/carbon-12 dioxide abundance by nondispersive infrared heterodyne ratiometry as an alternative to gas isotope ratio mass spectrometry

4. High resolution infrared diode laser spectroscopy for isotope analysis—Measurement of isotopic carbon monoxide

5. Comparison of infrared and mass-spectrometric measurements of carbon-13/carbon-12 ratios

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