Patent ID: 9472386
Filing Date: 2016-10-18
CPC Classification: G01N,H01J

Claim Text:
1. A chromatograph mass spectrometry data processing apparatus for processing data collected by a chromatograph mass spectrometry apparatus, the data processing apparatus performing alignment processing for correcting a shift in retention time in a plurality of chromatograms obtained from data obtained for a plurality of specimens, and comprising: a) a mass spectrum scaling processing unit for scaling signal intensities in a mass spectrum created, for each measurement time point within an entire measurement time range or within part of the measurement time range, based on data obtained at the measurement time point; b) a total signal intensity value calculation unit for calculating, for each of the mass spectrum, a total signal intensity value obtained by adding signal intensity values after being scaled by the mass spectrum scaling processing unit; c) a chromatogram creating unit for creating, for each of a plurality of specimens, a total ion chromatogram from a plurality of total signal intensity values calculated by the total signal intensity value calculation unit; and d) an alignment execution unit for executing alignment processing using a plurality of chromatograms created by the chromatogram creating unit.