The Michalski group’s Thermofinnigan Delta V dual inlet - conflow IRMS. 11 cup configuration for fragment analysis of N2O and whole air. Capability for δ15N, δ18O, δ17O, and δ13C of multiple compounds.

Automated GC interface and open split for δ15N, δ18O and δ17O analysis of nitrates using bacteria reduction and AgNO3 methods. Carbonates and sulfates analysis are also done on the machine.