Conclusions
-
1.
The main factor of additional zonal wash-out is the nonhomogeneous distribution of stationary phases leading to a strong increase in the resistance to mass transfer in the carrier gas. This wash-out factor can amount to 50% of the experimental value of HETP.
-
2.
The diffusional resistance in droplets of nonpolar silicone phases augments the HETP value by not more than 10%.
Similar content being viewed by others
Literature cited
T. W. Smuts, T. S. Buys, T. G. du Toit, J. W. du Toit, and P. A. Torline, J. High Resolut. Chromatogr. and Chromatogr. Commun.,4, 385 (1981).
J. Krupčik, J. Garaj, P. Čellar, and G. Guiochon, J. Chromatogr.,312, 1 (1984).
V. G. Garbuzov, A. V, Vasil'ev, and R. V. Golovnya, Izv. Akad. Nauk SSSR, Ser. Khim., 611 (1982).
J. Bouche and M. Verzele, J. Gas Chromatogr.,6, 501 (1968).
E. L. Ilkova and E. A. Mistryukov, J. Chromatogr. Sci.,9, 569 (1971).
L. S. Ettre, Gas Chromatography, Littlewood A. B., London, Institute of Petroleum, (1967), p. 115.
W. Millen and S. Hawkes, J. Chromatogr. Sci.,15, 148 (1977).
G. Redant, P. Sandra, and M. Verzele, Chromatographia,15, 13 (1982).
L. G. Blomberg, J. High Resolut. Chromatogr. and Chromatogr. Commun.,7, 232 (1984).
Author information
Authors and Affiliations
Additional information
Translated from Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, No. 12, pp. 2760–2764, December, 1987.
Rights and permissions
About this article
Cite this article
Vasil'ev, A.V., Golovnya, R.B. Increased resistance to mass transfer in capillary columns with unevenly coated stationary phases. Russ Chem Bull 36, 2557–2561 (1987). https://doi.org/10.1007/BF00957234
Received:
Issue Date:
DOI: https://doi.org/10.1007/BF00957234