Application of an in-situ Thermo-polymerized Porous Polymer: Creation of an On-column Frit for a Packed Capillary HPLC Column

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  • MA Jiping
    Institute of Environment & Municipal Engineering, Qingdao Technological University Key Lab of Bioorganic Phosphorus Chemistry & Chemical Biology, Ministry of Education, Department of Chemistry, Tsinghua University
  • DING Mingyu
    Key Lab of Bioorganic Phosphorus Chemistry & Chemical Biology, Ministry of Education, Department of Chemistry, Tsinghua University
  • XU Yan
    School of the Earth Sciences and Resources, China University of Geosciences
  • CHEN Lingxin
    Key Lab of Bioorganic Phosphorus Chemistry & Chemical Biology, Ministry of Education, Department of Chemistry, Tsinghua University

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抄録

A 3-mm length of a porous monolithic polymer was prepared in a 0.32-mm inner-diameter fused-silica capillary by an in-situ thermo-polymerization method and used as an on-column frit for a packed capillary HPLC column. The on-column frit can resist high pressure up to 400 bar. A 5-µm packing material was packed in the capillary with the on-column frit by a slurry method. At pressure driving mode, separation of samples was performed using the capillary HPLC column. The in-situ frit preparation method has the advantages of easy preparation, easy control of the location of the frit and a mild preparing reaction condition.

収録刊行物

  • Analytical Sciences

    Analytical Sciences 23 (3), 371-374, 2007

    社団法人 日本分析化学会

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