| 摘要 |
PROBLEM TO BE SOLVED: To discriminate a ghost peal from a peak of an oxygen-containing organic substance in a detection peak of an oxygen-containing organic substance detector.SOLUTION: After separating samples of the same composition by columns 12a, 12b of the same sort, the samples are detected by O-FID13 and FID14, both signals are compared with each other by an operation part 17 and whether a peak is a ghost peak or not is determined by a determination part 18. |
