| abstract |
The present disclosure provides for collection and separation systems, collection and separation methods, isotope analsis systems, methods of processing samples to analyze 15N, 13C, and S34, and the like. In an aspect, the present disclosure provides for a system that includes a collection system in gaseous communication with a first device, wherein the collection system is configured to isolate two or more gases of a gaseous sample and configured to introduce each to a second device independently of one another. |