Articles | Volume 8, issue 9
Atmos. Meas. Tech., 8, 3903–3922, 2015
https://doi.org/10.5194/amt-8-3903-2015
Atmos. Meas. Tech., 8, 3903–3922, 2015
https://doi.org/10.5194/amt-8-3903-2015

Research article 24 Sep 2015

Research article | 24 Sep 2015

PTRwid: A new widget tool for processing PTR-TOF-MS data

R. Holzinger R. Holzinger
  • Institute for Marine and Atmospheric Research, Utrecht, IMAU, Utrecht University, the Netherlands

Abstract. PTRwid is a fast and user friendly tool that has been developed to process data from proton-transfer-reaction time-of-flight mass spectrometers (PTR-TOF-MS) that use HTOF (high-resolution time-of-flight) mass spectrometers from Tofwerk AG (Switzerland). PTRwid is designed for a comprehensive evaluation of whole laboratory or field-based studies. All processing runs autonomously, and entire laboratory or field campaigns can, in principle, be processed with a few mouse clicks.

Unique features of PTRwid include (i) an autonomous and accurate mass scale calibration, (ii) the computation of a "unified mass list" that – in addition to a uniform data structure – provides a robust method to determine the precision of attributed peak masses, and (iii) fast data analysis due to well considered choices in data processing.