06-06-2013 дата публикации
Номер: US20130140453A1
An ion source () for a mass spectrometer comprising an ionizer () receiving an ionizer gas from an ionizer gas supply (), a conditioner () in communication with the ionizer (), a reactor () in communication with the conditioner () and adapted for communication with the mass spectrometer, the reactor () adapted to receive a sample from a sample supply in communication with the reactor (), wherein the conditioner () is sized to remove fast diffusing electrons from a flow of the ionizer gas from the glow discharge ionizer () to the reactor (). 112102. An ion source ( , ) for a mass spectrometer comprising:{'b': 18', '106', '16, 'an ionizer (, ) formatted to receive an ionizer gas from an ionizer gas supply ();'}{'b': 20', '18', '106, 'a conditioner () in communication with the at least one ionizer (, ); and'}{'b': 22', '110', '20', '22', '110', '24', '20', '18', '106', '22', '110, 'a reactor (, ) in communication with the conditioner () and formatted for communication with the mass spectrometer, the reactor (, ) formatted to receive a sample from a sample supply (), wherein the conditioner () is sized to remove fast diffusing electrons from a flow of the ionizer gas between the glow discharge ionizer (, ) and the reactor (, ).'}212102201810622110. The ion source ( claim 1 , ) of claim 1 , wherein the conditioner () is sized to provide a transfer time of the gas flow from the at least one ionizer ( claim 1 , ) to the reactor ( claim 1 , ) of between about 5 ms and about 10 ms.31210220. The ion source ( claim 1 , ) of claim 1 , wherein the conditioner () comprises a tube having a length of about 15 mm and an inner diameter of about 2 mm.412102202018106. The ion source ( claim 1 , ) of claim 1 , wherein the conditioner () comprises a tube and a product of an inner diameter of the conditioner () and a pressure of the at least one ionizer ( claim 1 , ) is at least 50 mm*mbar.512102181062842. The ion source ( claim 1 , ) of claim 1 , wherein the at least one ionizer ( claim ...
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