MASS SPECTROSCOPE

PROBLEM TO BE SOLVED: To control the ion permeability (sensitivity).SOLUTION: A mass spectroscope includes an ionization unit 2 for ionizing a sample, an ion guide 3 having at least four rod-like electrodes and transporting ions, a mass spectrometry unit 4 performing mass separation and having at le...

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Main Authors TERUI YASUSHI, YOSHINARI KIYOMI
Format Patent
LanguageEnglish
Japanese
Published 09.08.2018
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Abstract PROBLEM TO BE SOLVED: To control the ion permeability (sensitivity).SOLUTION: A mass spectroscope includes an ionization unit 2 for ionizing a sample, an ion guide 3 having at least four rod-like electrodes and transporting ions, a mass spectrometry unit 4 performing mass separation and having at least four rod-like electrodes, a detection unit 5 that detects ions that have passed through the mass spectrometry unit 4, and a control unit 8 controlling a voltage applied to the ion guide 3, and the control unit 8 varies the passing energy of the ions passing through the ion guide 3 according to the characteristics of the target ions.SELECTED DRAWING: Figure 3 【課題】イオン透過率(感度)をコントロールする。【解決手段】質量分析装置は、試料をイオン化するイオン化部2と、少なくとも4本の棒状電極を有し、イオンを輸送するイオンガイド3と、質量分離を行う、少なくとも4本の棒状電極を有する質量分析部4と、質量分析部4を通過したイオンを検出する、検出部5と、イオンガイド3に印加する電圧を制御する制御部8と、を有し、制御部8は、イオンガイド3を通過するイオンの通過エネルギーを、ターゲットとするイオンの特性に応じて変動させる。【選択図】図3
AbstractList PROBLEM TO BE SOLVED: To control the ion permeability (sensitivity).SOLUTION: A mass spectroscope includes an ionization unit 2 for ionizing a sample, an ion guide 3 having at least four rod-like electrodes and transporting ions, a mass spectrometry unit 4 performing mass separation and having at least four rod-like electrodes, a detection unit 5 that detects ions that have passed through the mass spectrometry unit 4, and a control unit 8 controlling a voltage applied to the ion guide 3, and the control unit 8 varies the passing energy of the ions passing through the ion guide 3 according to the characteristics of the target ions.SELECTED DRAWING: Figure 3 【課題】イオン透過率(感度)をコントロールする。【解決手段】質量分析装置は、試料をイオン化するイオン化部2と、少なくとも4本の棒状電極を有し、イオンを輸送するイオンガイド3と、質量分離を行う、少なくとも4本の棒状電極を有する質量分析部4と、質量分析部4を通過したイオンを検出する、検出部5と、イオンガイド3に印加する電圧を制御する制御部8と、を有し、制御部8は、イオンガイド3を通過するイオンの通過エネルギーを、ターゲットとするイオンの特性に応じて変動させる。【選択図】図3
Author TERUI YASUSHI
YOSHINARI KIYOMI
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Snippet PROBLEM TO BE SOLVED: To control the ion permeability (sensitivity).SOLUTION: A mass spectroscope includes an ionization unit 2 for ionizing a sample, an ion...
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SubjectTerms BASIC ELECTRIC ELEMENTS
ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
ELECTRICITY
INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES
MEASURING
PHYSICS
TESTING
Title MASS SPECTROSCOPE
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