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EPJ Techniques and Instrumentation

Table 1 The vacuum pressure during measurement, pumping speed, and components in each chambera

From: Cryogenic ion mobility-mass spectrometry for the study of conformations of host-guest complexes

Chambers

Pressure / Pa

Pumping speed / L s−1

Components

1

25

86

ESI ion source

2

2.0 × 10−2

2000

QIT and drift tube

3

1.4 × 10−3

2000

Ion guide and acceleration electrodes

4

1.3 × 10−4

500

Reflectron electrodes and detector

  1. aThe pressure and temperature of the He buffer gas inside the drift tube are 0.60 Torr and 85 K, respectively.
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