A new type of two-dimensional packed + capillary column GC system. I. Theory |
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| Authors: | Jianying Zhang Bingcheng Lin Peichang Lu |
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| Affiliation: | (1) Dalian Chromatographic R&D Centre of China, Dalian Institute of Chemical Physics of the Chinese Academy of Sciences, Dalian, People's Republic of China |
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| Abstract: | Summary To match the need of high efficiency capillary column (plate number N2, Plate height H2 and carrier gas linear velocity U2), a new high efficiency packed column (N1, H1 and U1) at high carrier gas velocity with small capacity factor has been developed in the light of theoretical discussion of factors effecting the column efficiency utilization ratio. |
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| Keywords: | Gas chromatography Packed+capillary GC switching system Column efficiency utilization ratio New packed precolumn |
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