sentences:  The proposed method detailed a coupling device between liquid chromatographic columns and various methods of detection for gaseous samples; like mass spectrometry, electron capture, atomic adsorption, etc.Four different representations of the thermospray vaporizer were presented in the 1988 patent - UA4730111A.Nonvolatile, ionic, and thermally labile solutes were investigated with the various control systems on the vaporizers to achieve partial vaporization.