119 Recent Advances in Environmental Geoscience I

Monday, 26 September 2016
1:30 PM - 5:30 PM
Room 302

A NOVEL LC-IRMS INTERFACE FOR FLEXIBLE COMPOUND-SPECIFIC STABLE ISOTOPE ANALYSIS

Paper number: 119-14
Program: Technical Sessions
Time: 4:45 PM – 5:00 PM

Authors

Abstract

In aqueous samples, compound-specific stable isotope analysis (CSIA) plays an important role in several research areas (forensics, environmental, doping, etc) and has historically been limited to measurement of δ13C. No direct method (without sample preparation) for stable nitrogen isotope analysis (δ15N SIA) of non-volatile compounds has been successful up to this point. The development of a novel HPLC/IRMS interface based on high-temperature combustion (HTC) for both δ13C and δ15N CSIA and its proof of principle are described in this presentation. This opens up a world of possibilities in studying polar, non-volatile or thermolabile organic compounds that contain nitrogen.

Geological Society of America Abstracts with Programs. Vol. 48, No. 7

doi: 10.1130/abs/2016AM-287465

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