A new method for the preparation of polymeric porous layer open tubular columns for GC application
- 1 September 1995
- journal article
- Published by Wiley in Journal of Microcolumn Separations
- Vol. 7 (5), 471-475
- https://doi.org/10.1002/mcs.1220070506
Abstract
A new method to prepare polymeric PLOT columns by using in situ polymerization technology is described. The method involves a straightforward in situ polymerization of the monomer. The polymer produced is directly coated on the metal tubing. This eliminates many of the steps needed in conventional polymeric PLOT column preparation. Our method is easy to operate and produces very reproducible columns, as shown previously (T. C. Shen, J. Chromatogr. Sci. 30, 239, 1992). The effects of solvents, tubing pretreatments, initiators and reaction temperatures in the preparation of PLOT columns are studied. Several columns have been developed to separate (1) highly polar compounds, such as water and ammonia or water and HCN, and (2) hydrocarbons and inert gases. A recent improvement has allowed us to produce bonded polymeric PLOT columns. These were studied, and the results are included also. © 1995 John Wiley & Sons, Inc.Keywords
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