Ontology highlight
ABSTRACT:
SUBMITTER: Stonner C
PROVIDER: S-EPMC6681138 | biostudies-literature | 2017 Jan
REPOSITORIES: biostudies-literature
Stönner Christof C Derstroff Bettina B Klüpfel Thomas T Crowley John N JN Williams Jonathan J
Journal of mass spectrometry : JMS 20170101 1
We examine the potential for PTR-TOF-MS systems to quantitatively measure glyoxal in ambient air by characterizing the response of the instrument to a dilute glyoxal sample, calibrating the system as a function of humidity. The concentration of glyoxal in a sample air-stream was measured with an UV absorption spectrometer in parallel to a PTR-TOF-MS. This calibration demonstrated that the PTR-TOF-MS has a relatively low sensitivity to glyoxal particularly at high humidity. Extensive fragmentatio ...[more]