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Development of an ion mobility spectrometer with a paper spray ionization source
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10.1063/1.4807746
/content/aip/journal/rsi/84/6/10.1063/1.4807746
http://aip.metastore.ingenta.com/content/aip/journal/rsi/84/6/10.1063/1.4807746

Figures

Image of FIG. 1.
FIG. 1.

Photograph of the custom-built paper spray ionization ion mobility spectrometer.

Image of FIG. 2.
FIG. 2.

Geometrically-simplified simulation model of the IMS with its components and coordinates labeled.

Image of FIG. 3.
FIG. 3.

A contour plot of the potential

Image of FIG. 4.
FIG. 4.

An arrow surface plot of the velocity field.

Image of FIG. 5.
FIG. 5.

Positive ion mobility spectrum of 2, 6-DBP via paper spray ionization.

Image of FIG. 6.
FIG. 6.

Plot of the resolving power and drift time versus the drift gas flow rate for the custom-built instrument. Conditions: 5500 V drift voltage, 8500 V paper tip voltage, 25 °C, and 200 s ion gate pulse.

Image of FIG. 7.
FIG. 7.

Ion mobility spectrum of 2, 6-DBP as a function of gate pulse width. (a) Comparison of the spectrum with different gate pulse widths. (b) Plot of the resolving power versus the gate pulse width. Conditions: 5500 V drift voltage, 8500 V paper tip voltage, 25 °C, and 0.8 L/min N drift gas.

Image of FIG. 8.
FIG. 8.

Plot of the drift time and resolving power versus the temperature for 2, 6-DBP in the positive mode. The results indicate that the performance could be improved if the experiments are performed at room temperature.

Tables

Generic image for table
Table I.

Typical experimental parameters.

Generic image for table
Table II.

Analytical parameters for the determination of 2, 6-DBP using PSIMS.

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/content/aip/journal/rsi/84/6/10.1063/1.4807746
2013-06-03
2014-04-20
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Development of an ion mobility spectrometer with a paper spray ionization source
http://aip.metastore.ingenta.com/content/aip/journal/rsi/84/6/10.1063/1.4807746
10.1063/1.4807746
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