Radiant energy – Ionic separation or analysis – With sample supply means
Reexamination Certificate
2006-03-21
2006-03-21
Wells, Nikita (Department: 2881)
Radiant energy
Ionic separation or analysis
With sample supply means
C250S282000, C204S452000, C204S603000
Reexamination Certificate
active
07015466
ABSTRACT:
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.
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Cooks Robert G.
Takáts Zoltán
Brinks Hofer Gilson & Lione
Purdue Research Foundation
Smith II Johnnie L
Wells Nikita
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