期刊
JOURNAL OF THE CHINESE CHEMICAL SOCIETY
卷 56, 期 2, 页码 261-267出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/jccs.200900038
关键词
Frit; Slurry packing; Stainless steel powder; Capillary electrochromatography
资金
- Scientific Research Foundation
- Overseas Chinese Scholars
- State Education Ministry
- Joint Research Project
- KOSEF (South Korea) Cooperative Program [20611140646]
- Program for New Century Talents in the University of Henan Province [2006HNCET-001]
Sintering stainless steel powders was initially used to prepare the inlet frit in fused silica capillaries. The use of such inlet frits and outlet frits sintered by the stationary phase itself in the capillary to retain C-18 particles was demonstrated to withstand the long exposure, up to a high pressure of 60 MPa, for packing and the prepare column was stable and robust enough to do the continuous chromatographic operations. Characterization of the inlet and outlet frits by scanning electron micrography showed the fused metal particles formed a porous network in the capillary inlet and the homogenous separation beddings were obtained by slum, packing.
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