NILU – Norsk institutt for luftforskning and Massanalys Spectrometry Nordic AB are pleased to invite you to
the joint seminar:
Basics and Applications
of
Proton-Transfer-Reaction Mass Spectrometry (PTR-MS)
Time:
Location:
Program:
10:15h:
10:20h:
10:50h:
11:00h:
11:45h:
12:30h:
13:00h:
Monday, April 23, 2012; 10:15h – 13.00h
Main Auditorium, NILU – Norsk institutt for luftforskning
Instituttveien 18, 2027 Kjeller, Norway
Welcome (L. Tarrasón, NILU)
Introduction to PTR-MS and the PTR-MS research group at NILU (A. Wisthaler, NILU)
Instrumentation for VOC analysis (B. Sandgärde, MSNordic AB)
Applications of PTR-MS (A. Wisthaler, NILU)
Lunch (sponsored by NILU)
Instrument demonstration
Adjourn
INTRODUCTION TO PROTON-TRANSFER-REACTION MASS SPECTROMETRY
Proton-Transfer-Reaction Mass Spectrometry (PTR-MS) is a highly sensitive, real-time analytical technique
for the detection of trace gases in air. It combines the concepts of soft chemical ionization via ion-molecule
reactions from H3O+, O2+ or NO+ reagent ions, highly efficient and quantitative product ion formation in an
ion drift tube and mass spectral analysis in a low resolution quadrupole mass filter (PTR-QMS) or a high
resolution time-of-flight mass spectrometer (PTR-TOF-MS). Typical detection limits are in the ng/m3 (pptV)
range with typical signal acquisition times ranging from 0.1 to 10 seconds. In this introductory lecture, I will
present the basics of PTR-MS and describe the analytical capabilities of this state-of-the-art technique for
the analysis of volatile organic compounds (VOC) and other trace gases in air.
APPLICATIONS OF PROTON-TRANSFER-REACTION MASS SPECTROMETRY
Since its inception in the mid-1990ies, PTR-MS has become a leading technology in the on-line VOC analysis
spanning a wide range of research areas including environmental chemistry (e.g. tropospheric chemistry,
indoor chemistry), food and flavor analysis, life sciences (e.g. breath analysis and analysis of microbial VOCs),
industrial process monitoring and homeland security applications. In this lecture, I will present selected
examples of PTR-MS applications – focusing on the specific interests of the audience and on PTR-MS
research performed at NILU.
If you plan to attend the seminar, please register before April 16 via email at [email protected] or
[email protected] Please include in your registration if you have special fields of interest.
For travel information see www.nilu.no (directions to Main Office)
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The seminar may be cancelled if there is not enough interest.