JP2011122822A5

JP2011122822A5 -

Info

Publication number: JP2011122822A5
Application number: JP2009278097A
Authority: JP
Filing date: 2009-12-08
Publication date: 2012-04-12
Anticipated expiration: 2029-12-08

Description

さらにまた、上記二次元クロマトグラム作成処理部により表示部に表示される二次元クロマトグラム上のＳＩＭ測定区間の区画を示す境界線の位置及び形状をオペレータが変更するための操作部をさらに備え、上記測定区間決定処理部はその操作部の操作に応じてＳＩＭ測定条件テーブルの内容を変更するようにするとよい。 Furthermore, the operation unit for the operator to change the position and shape of the boundary line indicating the section of the SIM measurement section on the two-dimensional chromatogram displayed on the display unit by the two-dimensional chromatogram creation processing unit, The measurement interval determination processing unit may change the contents of the SIM measurement condition table according to the operation of the operation unit.

Claims

A chromatograph mass spectrometer that detects a sample separated by a comprehensive two-dimensional chromatograph including a primary column, a modulator, and a secondary column by introducing the sample into the mass spectrometer, and monitoring selected ions in the mass spectrometer ( In a chromatographic mass spectrometer that detects ions having a specific mass-to-charge ratio by the SIM) method,
a) a compound information storage unit in which a retention time and a mass-to-charge ratio are stored in association with each measurement target compound;
b) Based on the separation information in one modulation period, the retention time stored in the compound information storage unit is assigned to the retention time on the time axis of the primary column and the retention time on the time axis of the secondary column. A detection interval determination processing unit that generates detection information and determines a SIM measurement interval on each time axis based on a predetermined condition using the detection information for a two-dimensional chromatogram obtained by analysis,
c) Based on the SIM measurement interval on each time axis determined by the measurement interval determination processing unit, the measurement target corresponding to the start time and / or end time of the SIM measurement group over time and the compounds belonging to the group A SIM measurement condition setting unit for creating SIM measurement condition information including a mass-to-charge ratio of
A chromatographic mass spectrometer comprising:

The chromatograph mass spectrometer according to claim 1,
A two-dimensional chromatogram creation processing unit that creates a two-dimensional chromatogram from the data obtained by the analysis and displays it on the screen of the display unit, and the two-dimensional chromatogram creation processing unit includes the measurement interval determination processing unit A chromatograph mass spectrometer characterized in that the determined SIM measurement section is displayed on the two-dimensional chromatogram so as to be identifiable.

A chromatographic mass spectrometer according to claim 2,
The measurement section further comprises an operation section for an operator to change the position and shape of the boundary line indicating the section of the SIM measurement section on the two-dimensional chromatogram displayed on the display section by the two-dimensional chromatogram creation processing section. The determination processing unit changes the contents of the SIM measurement condition table in accordance with the operation of the operation unit.