DEVELOPMENT  OF  AN  IR  GAS  ANALYZER
TO  MEASURE  CARBON  DIOXIDE  ISOTOPE
(12CO2 / 13CO2)  RATIOS

L. A. Konopelko, A. V. Ilyinsky*, D. V. Rumyantsev

D.I. Mendeleyev Institute of Metrology, Saint-Petersburg
*OOO "Monitoring", Saint-Petersburg

 The paper  introduces a prototype IR gas analyzer for measurement of the carbon dioxide isotope (12CO2 / 13CO2) ratio. The results of device testing with mixtures of various isotopic concentrations are given.