| 摘要 |
The present invention relates to a method and apparatus for chromatographically analyzing/purifying samples in a detector, comprising an autosampler to contain a sample for chromatographic analysis and a chromatographic system comprising a loading pump, and an eluting pump and at least one chromatography column. A detector is included for detecting compounds in the sample from the chromatography system. The loading pump establishes a flow of a loading solvent through the autosampler to dissolve the sample and to load the sample on the chromatography column. The eluting pump establishes a flow of eluent of increasing strength through the column and to the detector. In addition, the present invention provides improved methods of screening and preparative chromatography.
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