Ion mobility spectrometry with ammonium-adduct chemical ionization for instantaneous isomer-resolved ambient measurements: A New York City case study

Taekyu Joo1, Jordan Krechmer2, Sebastian Gerber3, Manjula R Canagaratna2, Michael Kamrath3, Stephan Graf3, Matthieu Riva3, Felipe Lopez-Hilfiker3, Jo Machesky4, Mia Nhu Tran4, Andrew T Lambe2 and Drew R Gentner4, (1)Yale University, New Haven, CT, United States, (2)Aerodyne Research Inc., Billerica, United States, (3)Tofwerk, Thun, Switzerland, (4)Yale University, Department of Chemical and Environmental Engineering, New Haven, United States