H - Electricity – 01 – J
Patent
H - Electricity
01
J
H01J 49/00 (2006.01) B01D 59/44 (2006.01)
Patent
CA 2532587
There is described a device and method for generating gaseous ions of a sample material such as molecules in solution at atmospheric pressure. The device includes a conduit for receiving a solution containing the material to be ionized and form a stream. A jet of gas at supersonic velocity is directed at the stream and interacts therewith. Droplets are formed and by the adiabatic expansion of the gas and vigorous evaporation of the solution gaseous ions are generated. In the method a stream of the sample solution is delivered from a conduit with an electric potential. A gas jet at supersonic velocity interacts with the delivered solution and through the action of adiabatic expansion of the gas and evaporation of the solution gaseous ions are formed.
L'invention concerne un dispositif et un procédé de production d'ions gazeux d'une matière échantillon telle que des molécules en solution à la pression atmosphérique. Le dispositif comprend un conduit permettant de recevoir une solution contenant la matière à ioniser et de former un écoulement. Un jet de gaz à vitesse supersonique est dirigé sur l'écoulement et interagit avec celui-ci. Des gouttelettes sont formées, et, par l'expansion adiabatique du gaz et l'évaporation vigoureuse de la solution, des ions gazeux sont produits. Dans le procédé, un écoulement de la solution d'échantillon est formé à partir du conduit au moyen d'un potentiel électrique. Un jet de gaz à vitesse supersonique interagit avec la solution produite, et des ions gazeux sont formés par l'expansion adiabatique du gaz et l'évaporation de la solution.
Cooks Robert Graham
Takats Zoltan
Purdue Research Foundation
Smart & Biggar
LandOfFree
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