These are LabVIEW VIs used for Automating Sample Introduction and Online Separation for Analysis of Molecular Isotopic Structures by GC-Orbitrap Mass Spectrometry. Any questions can be directed to Guannan Dong at gdong@caltech.edu.

This script models the fragmentation scheme of n-nonadecane (nC19) in the electron-impact ion source of GC-Orbitrap IRMS. Any questions can be directed to Guannan Dong at gdong@caltech.edu.

This script models the fragmentation scheme of n-hexadecane (nC16) in the electron-impact ion source of GC-Orbitrap IRMS. Any questions can be directed to Guannan Dong at gdong@caltech.edu.

Data processing code for Orbitrap isotope ratio measurements on nC16 (n-hexadecane) and nC19 (n-nonadecane) using a peak broadener and on labeled C16 via direct elution.  Any questions can be directed to Guannan Dong at gdong@caltech.edu.

This script models the fragmentation scheme of n-tetradecane (nC14) in the electron-impact ion source of GC-Orbitrap IRMS. Any questions can be directed to Guannan Dong at gdong@caltech.edu.  

These scripts model the thermal decomposition of n-nonadecane (nC19)

This script creates two quantile-quantile plots of measured δ13C and δ2H data. Any questions can be directed to Guannan Dong at gdong@caltech.edu.

Data processing code for Orbitrap isotope ratio measurements on p-xylene using a peak broadener.  Any questions can be directed to Guannan Dong at gdong@caltech.edu.