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Increased resistance to mass transfer in capillary columns with unevenly coated stationary phases

  • Physical Chemistry
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Bulletin of the Academy of Sciences of the USSR, Division of chemical science Aims and scope

Conclusions

  1. 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. 2.

    The diffusional resistance in droplets of nonpolar silicone phases augments the HETP value by not more than 10%.

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Translated from Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, No. 12, pp. 2760–2764, December, 1987.

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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

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  • DOI: https://doi.org/10.1007/BF00957234

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