Patent ID: 8890059
Filing Date: 2014-11-18
Classification: G01J,G01N,H01J

Abstract:
1. A method for producing gas-ion adducts in a low temperature controlled ion trap of a mass spectrometry apparatus comprising exposing resident ions of interest in said ion trap at low temperature to a complexing gas or gas mixture which is pulsed into said ion trap, and allowing said ions of interest and said pulsed gas or gas mixture to form gas-ion adducts which are subjected to mass spectrometry analysis and optionally, at least one analysis selected from infra red (vibrational) spectroscopy, UV (ultraviolet) analysis and visible spectrum analysis, wherein said complexing gas or gas mixture is selected from the group consisting of a mixture of hydrogen and helium, argon (Ar), neon (Ne), krypton (Kr), xenon (Xe), carbon dioxide (CO 2 ), carbon monoxide (CO), nitrogen (N 2 ), methane (CH 4 ), and sulfur hexafluoride (SF 6 ).