Ion molecule reactor and setup for analyzing complex mixtures

Ion molecule reactor for generating analyte ions from analytes, the ion molecule reactor comprising:

• a) a reaction volume in a hollow housing which reagent ions can interact with the analytes in order to form analyte ions;
• b) at least one analyte inlet for introducing the analytes along an inlet path into the reaction volume;
• c) at least one reagent ion source and/or at least one reagent ion inlet for providing reagent ions into the reaction volume;
• d) at least one ion guide comprising an electrode arrangement which is configured for producing an alternating electrical, magnetic and/or electromagnetic field, that allows for guiding the reagent ions and/or the analyte ions at least along a section of the predefined transit path through the reaction volume;
• e) the at least one reagent ion source and/or the at least one reagent ion inlet comprising at least one guiding element for guiding reagent ions before entering the reaction volume;
• whereby the at least one reagent ion source and/or the at least one reagent ion inlet is/are arranged coaxially around the analyte inlet and
• whereby the at least one reagent ion source and/or at least one reagent ion inlet and the at least one analyte inlet are located in front of the hollow housing, and configured to introduce the analytes and the reagent ions into the hollow housing along a direction running in parallel or coaxially with a longitudinal axis of the ion guide and/or the ion molecule reactor.