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Analysis of PAHs in air-borne particulates in Hong Kong City by heuristic evolving latent projections 被引量:3

Analysis of PAHs in air-borne particulates in Hong Kong City by heuristic evolving latent projections
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摘要 A successful qualitative and quantitative analysis of polycyclic aromatic hydrocarbons (PAHs) in air-borne particulates in Hong Kong City has been carried out by the heuristic evolving latent projection (HELP) method recently developed in chemometrics. The resolution result showed that 47 compounds were involved in this sample. Eighteen of them were interesting PAHs and/or their derivatives. The result agreed very well with the one obtained by capillary column GGMS. The resolved UV-visible spectra match well with the standards. With the help of HELP method, accurate quantitative results were also obtained for all the overlapping peaks. The separation ability of chromatography is greatly enhanced by chemometric methods. The HELP method provides a completely new way for quick and accurate analysis of the two-dimensional data produced by hyphenated chromatographic instruments. A successful qualitative and quantitative analysis of polycyclic aromatic hydrocarbons (PAHs) in air\|borne particulates in Hong Kong City has been carried out by the heuristic evolving latent projection (HELP) method recently developed in chemometrics. The resolution result showed that 47 compounds were involved in this sample. Eighteen of them were interesting PAHs and/or their derivatives. The result agreed very well with the one obtained by capillary column GC\|MS. The resolved UV\|visible spectra match well with the standards. With the help of HELP method, accurate quantitative results were also obtained for all the overlapping peaks. The separation ability of chromatography is greatly enhanced by chemometric methods. The HELP method provides a completely new way for quick and accurate analysis of the two\|dimensional data produced by hyphenated chromatographic instruments.
出处 《Science China Chemistry》 SCIE EI CAS 1998年第1期21-29,共9页 中国科学(化学英文版)
基金 ProjectsupportedbytheNationalNaturalScienceFoundationofChina .
关键词 two\|dimensional data resolution of OVERLAPPING PEAKS POLYCYCLIC AROMATIC hydrocarbons heuristic evolving LATENT projections. two-dimensional data resolution of overlapping peaks polycyclic aromatic hydrocarbons heuristic evolving latent projections
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同被引文献11

  • 1Hailin Shen,Yizeng Liang,Ruqin Yu,Xianchun Li,Xinxi Sun.Analysis of PAHs in air-borne particulates in Hong Kong City by heuristic evolving latent projections[J]. Science in China Series B: Chemistry . 1998 (1)
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