Chromatographic data system processing apparatus
A chromatographic data system processing apparatus includes a standard sample time table for prestoring a first retention time and a first allowable width of each peak of specific components of a standard sample, a determination unit for determining whether a number of peaks coincides with a specified number when a peak cannot be identified, an alteration unit for altering the standard sample time table by increasing the first allowable width of a specific component to an altered allowable width, an identification unit for identifying the peaks based on the altered standard sample time table when all peaks fall within a range of the altered allowable width, and a setting unit for acquiring an actually-measured retention time of the peaks, and setting a measurement sample time table based on the actually-measured retention time and a second allowable width when the peaks are identified based on the altered standard sample time table.
1. A chromatographic data system processing apparatus comprising:
memory storing a standard sample time table, the standard sample time table configured to pre-store a first retention time and a first width of each peak of a plurality of specific components of a standard sample; and
a controller configured to execute processing of:
determining whether or not a total number of actually measured peaks having an intensity or a peak area equal to or greater than a predetermined threshold coincides with a specified peak number specified for the standard sample, in a case where one or more actually measured peaks cannot be identified when a chromatogram of the standard sample is identified based on the standard sample time table, wherein the determining whether or not the total number of actually measured peaks having an intensity or a peak area equal to or greater than a predetermined threshold coincides with a specific peak number specified for the standard sample includes:
determining the total number of the actually measured peaks within a range of a measurement window that is represented by a time interval between a minimum time obtained by subtracting a first altered width from a shortest first retention time in the standard sample time table and a maximum time obtained by adding the first altered width to a longest first retention time in the standard sample time table;
altering the standard sample time table by increasing the first width of at least one of the specific components in the standard sample time table to a second altered width, in a case where the total number of the actually measured peaks is determined to coincide with the specified peak number;
identifying the actually measured peaks based on the altered standard sample time table, in a case where all of the actually measured peaks having an intensity or a peak area equal to or greater than the predetermined threshold fall within a range of the altered width taking the first retention time as a center; and
acquiring an actual retention time of the actually measured peaks as an actually measured retention time, and set a measurement sample time table based on the actually measured retention time and a predetermined second width, in a case where the actually measured peaks are identified based on the altered standard sample time table.
2. The chromatographic data system processing apparatus according to claim 1 ,
wherein the standard sample time table is altered such that the second width is narrower than the second altered width.
3. The chromatographic data system processing apparatus according to claim 1 , wherein the controller is configured to execute processing of:
outputting an identification result for the actually measured peaks, and
wherein the controller attaches mark information to the actually measured peaks that are identified in correspondence with peaks being out of the first width to output the mark information with the actually measured peaks.
4. The chromatographic data system processing apparatus according to claim 1 ,
wherein in a case where a specific component that should not be identified at a predetermined measurement wavelength is identified, the controller increases the threshold in order not to measure the specific component that should not be identified at the predetermined measurement wavelength.
5. The chromatographic data system processing apparatus according to claim 1 :
wherein the controller is configured to execute processing of:
identifying actually measured peaks of a measurement sample based on the measurement sample time table, and
wherein after the controller identifies the actually measured peaks of the measurement sample, the controller determines whether or not a peak of at least a last eluted component among the actually measured peaks of the measurement sample falls within a range of the second width or falls within a range defined with thresholds of a predetermined peak width, and decides that it is accurately identified in a case of positive determination.
6. The chromatographic data system processing apparatus according to claim 1 :
wherein the controller is configured to execute processing of:
identifying actually measured peaks of a measurement sample based on the measurement sample time table, and
wherein after the controller identifies the actually measured peaks of the measurement sample, the controller calculates a correlation coefficient of the actually measured retention time and the first retention time, which correspond to each of all the actually measured peaks, and determines whether or not the correlation coefficient is equal to or greater than a reference value, and decides that it is accurately identified in a case of positive determination.