Mass spectrometry method and mass spectrometer
AssigneeShimadzu Corporation
InventorKazuya Takahashi
Life of this patent
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Abstract
A method for performing mass spectrometry by causing a precursor ion derived from a sample component and a radical to react in a reaction chamber 132 to generate products ion from the precursor ion, the method including: a step 6 of generating a radical from a material gas; a step 8 of introducing the radical and the precursor ion into the reaction chamber 132 in a state where an amount of electric power corresponding to a generation condition of the radical is supplied to a temperature control part 1331 provided in the reaction chamber 132; and a step 9 of separating and detecting product ions generated from the precursor ion in the reaction chamber 132 according to a mass-to-charge ratio.
Claims6
A mass spectrometry method for performing mass spectrometry by causing a precursor ion derived from a sample component and a radical to react in a reaction chamber to generate product ions from the precursor ion, the method comprising:
- a step of generating a radical from a material gas;
- a step of introducing the radical and the precursor ion into the reaction chamber in a state where an amount of electric power corresponding to a generation condition of the radical is supplied to a temperature control part provided in the reaction chamber;
- and
- a step of separating and detecting product ions generated from the precursor ion in the reaction chamber according to a mass-to-charge ratio.
A mass spectrometer comprising:
- a reaction chamber into which a precursor ion is introduced;
- a temperature control part provided in the reaction chamber;
- a power supply part configured to supply electric power to the temperature control part;
- a radical generation part configured to generate a radical from a material gas to introduce the radical into the reaction chamber;
- a measurement control part configured to control operations of the power supply part and the radical generation part so as to supply, to the temperature control part, an amount of electric power corresponding to a radical generation condition in the radical generation part in a time period in which the radical is introduced into the reaction chamber;
- a mass separation part configured to separate product ions generated from the precursor ion in the reaction chamber according to a mass-to-charge ratio;
- and
- an ion detection part configured to detect ions separated by the mass separation part.
Dependencies are inferred from the claim text.