Application and field test of a mobile thermal desorption - single photon ionization - ion trap mass spectrometer (TD-SPI-ITMS) for trace detection of security relevant substances

2009 ◽  
Author(s):  
Elisabeth Schramm ◽  
Thomas Heindl ◽  
Jasper Hölzer ◽  
Alexander McNeish ◽  
Michael Puetz ◽  
...  
2011 ◽  
Vol 39 (10) ◽  
pp. 1470-1475 ◽  
Author(s):  
Guo-Bin TAN ◽  
Wei GAO ◽  
Zheng-Xu HUANG ◽  
Yi HONG ◽  
Zhong FU ◽  
...  

2015 ◽  
Vol 2015 ◽  
pp. 1-7 ◽  
Author(s):  
Yunguang Huang ◽  
Jinxu Li ◽  
Bin Tang ◽  
Liping Zhu ◽  
Keyong Hou ◽  
...  

A vacuum ultraviolet lamp based single photon ionization- (SPI-) photoelectron ionization (PEI) portable reflecting time-of-flight mass spectrometer (TOFMS) was designed for online monitoring gas samples. It has a dual mode ionization source: SPI for analyte with ionization energy (IE) below 10.6 eV and PEI for IE higher than 10.6 eV. Two kinds of sampling inlets, a capillary inlet and a membrane inlet, are utilized for high concentration and trace volatile organic compounds, respectively. A mass resolution of 1100 atm/z64 has been obtained with a total size of 40 × 31 × 29 cm, the weight is 27 kg, and the power consumption is only 70 W. A mixture of benzene, toluene, and xylene (BTX), SO2, and discharging products of SF6were used to test its performance, and the result showed that the limit of quantitation for BTX is as low as 5 ppbv (S/N= 10 : 1) with linear dynamic ranges greater than four orders of magnitude. The portable TOFMS was also evaluated by analyzing volatile organic compounds from wine and decomposition products of SF6inside of a gas-insulated switchgear.


2017 ◽  
Vol 28 (5) ◽  
pp. 859-865 ◽  
Author(s):  
Qinghao Wu ◽  
Yuan Tian ◽  
Ailin Li ◽  
Derek Andrews ◽  
Aaron R. Hawkins ◽  
...  

2014 ◽  
Vol 116 (3) ◽  
pp. 1471-1479 ◽  
Author(s):  
Jasper Hölzer ◽  
Michael Fischer ◽  
Thomas Gröger ◽  
Thorsten Streibel ◽  
Mohammad Saraji-Bozorgzad ◽  
...  

Sign in / Sign up

Export Citation Format

Share Document