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《JOURNAL OF HEBEI UNIVERSITY(NATURAL SCIENCE EDITION)》 1998-01
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Suction Straining Coating Method for Gas Chromatographic Stationary Phase of Packed Column

Yan Zheng 1 Liu Pengyan 1 Zhang Jianshen 2 ( 1 Department of Chemistry , Hebei University, Baoding 071002 ; 2 Hebei Traffic School, Shijiazhuang 050000)  
A new procedure called suction straining coating method for the preparation of gas chromatographic stationary phase was reported The study showed that the testing column′s H eff ~ F curves are smooth within 30~80 ml·min -1 , the temperature change (△t=20~30℃) and the percentage (5%~17%) of liquid phase do not affect the shape of the column′s H eff ~ F curve very much The effective number of plate of a column prepared by the suction straining coating method always higher than those by the normal cooting methods The increment has reached 18%~187% The chromatographic conditions are: Carrier gas-H 2 ; Support-6201 Red (aperture 0 18~0 30 mm); Stationary phase-Dinonyl phthalate; Column-stainless steel (4 mm i d ×1 m); Detector-TCD
【CateGory Index】: O657.7
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【References】
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【Co-citations】
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