LIQUID CHROMATOGRAPHY-MASS SPECTROMETRY DEVICE

LIQUID CHROMATOGRAPHY-MASS SPECTROMETRY DEVICE

This invention improves the sensitivity of a liquid chromatography-mass spectrometry device by reducing the number of neutral particles that are not ionized during ionization and the number of low-molecular ions from a solvent used in the liquid chromatography. Said liquid chromatography-mass spectr...

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Hauptverfasser: YOSHIE Masaki, YOSHIOKA Shinji, UMEDA Mitsuhiro, TERUI Yasushi
Format: Patent
Sprache:eng ; fre ; ger
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BASIC ELECTRIC ELEMENTS
ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
ELECTRICITY
INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES
MEASURING
PHYSICS
TESTING
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creator YOSHIE Masaki
YOSHIOKA Shinji
UMEDA Mitsuhiro
TERUI Yasushi
description This invention improves the sensitivity of a liquid chromatography-mass spectrometry device by reducing the number of neutral particles that are not ionized during ionization and the number of low-molecular ions from a solvent used in the liquid chromatography. Said liquid chromatography-mass spectrometry device is provided with ion sources (102, 104, 120, 121), a mass spectrometry unit, a detector, and three electrodes (105, 106, 107) laid out so as to be parallel to each other. The first electrode (105) and the second electrode (106) have openings (122, 123) that allow ions to pass therethrough. The trajectories of said ions are deflected between the second electrode (106) and the third electrode (107), thereby directing ions generated by the ion sources (102, 104, 120, 121) towards the mass spectrometry unit.
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subjects BASIC ELECTRIC ELEMENTS
ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
ELECTRICITY
INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES
MEASURING
PHYSICS
TESTING
title LIQUID CHROMATOGRAPHY-MASS SPECTROMETRY DEVICE
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