High precision measurements of carbon isotopic ratio of atmospheric methane using a continuous flow mass spectrometer

A high-precision measurement system for the carbon isotope ratio of atmospheric CH4 (δ^(13)CH_4) was developed using a pre-concentration device for CH4 and a gas chromatograph-combustion-isotope ratio mass spectrometer (GC-C-IRMS). The measurement system required 100 mlSTP of an atmospheric air samp...

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Bibliographic Details
Main Authors: Shinji Morimoto, Shuji Aoki, Takakiyo Nakazawa
Format: Article
Language:English
Published: National Institute of Polar Research 2009-03-01
Series:Antarctic Record
Online Access:http://doi.org/10.15094/00009483