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HIGH-THROUGHPUT METHOD AND APPARATUS FOR IDENTIFYING, QUANTITATING AND DETERMINING THE PURITY OF CHEMICAL COMPOUNDS IN MIXTURES
HIGH-THROUGHPUT METHOD AND APPARATUS FOR IDENTIFYING, QUANTITATING AND DETERMINING THE PURITY OF CHEMICAL COMPOUNDS IN MIXTURES
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机译:用于混合物中化学化合物纯度鉴定,定量和测定的高通量方法和装置
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摘要
A method and apparatus for high-throughput identity confirmation, quantitation and purity determination of a compound of interest in a mixture of compounds is disclosed. According to the method, a chemical mixture, such as may be obtained from a chemical library, is processed to obtain a stream having a time-varying composition, such as by using a high pressure liquid chromatograph (502). The stream is split into two portions or streams for substantially contemporaneous detection in a compound-identifying device, such as a mass spectrograph (510), and in a compound-quantitating device, such as an evaporative light scattering detector (512). A peak in a chromatogram obtained from the compound-quantitating device (512) is identified as the compound of interest by cross-correlation, via elution time, with chromatographic results obtained from the compound-identifying device (510). Once the peak is identified as corresponding to the compound of interest, the corresponding peak area is used for quantitation and purity determination.
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