Summary
Three aspects with respect to the selection of solvents for static coating of capillary columns, i.e. coating speed, occurrence of bumping and solubility of stationary phases are discussed. Hypotheses are proposed in an attempt to explain the observed facts that mixed solvents result in much higher coating speeds than those obtained from pure solvents, that a proper choice of solvents together with a good and uniform deactivitation of the column inner wall is needed to prevent bumping. Stationary phase solubility vs. solvent composition is also briefly discussed.
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Xu, B., Vermeulen, N.P.E. & Smit, J.A.M. Effect of solvent composition on free release static coating of capillary columns. Chromatographia 22, 213–218 (1986). https://doi.org/10.1007/BF02257331
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DOI: https://doi.org/10.1007/BF02257331