期刊
CHEMOMETRICS AND INTELLIGENT LABORATORY SYSTEMS
卷 127, 期 -, 页码 158-165出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.chemolab.2013.06.011
关键词
PTR-TOF Data Analyzer; PTR-TOF-MS; TOF data analysis; Cumulative peak fitting; Iterative residual analysis
类别
资金
- Atmospheric Degradation of Amines (ADA-2011) project
- A/S Norske Shell
- Statoil ASA
- Vattenfall AB
- CLIMIT [208122]
- NILU
The High Resolution Proton-Transfer-Reaction Time-of-Flight Mass Spectrometer (HR PTR-TOF-MS) is a powerful analytical tool used by various scientific communities for real-time measurements of volatile organic compounds (VOC). The analysis of HR PTR-TOF-MS data is, however, particularly demanding because of the large amount of complex data being generated. Based on recently developed or described mathematical methods, we have produced a new software tool, the PTR-TOF Data Analyzer, which greatly facilitates the data analysis process. The new software solution allows for i) a combined Poisson counting statistics and dead time correction of ion count rates, ii) accurate mass axis calibration, iii) an iterative residual peak analysis that detects up to 5 isobaric peaks per unit m/z, iv) time series analysis of both low and high mass and time resolution data and v) visualization of analysis results for fast quality assurance checks. After having been successfully tested by a group of users with different application needs, the PTR-TOF Data Analyzer is made generally available to the scientific community. This will improve the user-friendliness of the PTR-TOF-MS technique and facilitate scientific work with this new analytical mass spectrometer. (C) 2013 Elsevier B.V. All rights reserved.
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