RAS Chemistry & Material ScienceЖурнал физической химии Russian Journal of Physical Chemistry

  • ISSN (Print) 0044-4537
  • ISSN (Online) 3034-5537

Specific Features of the Retention of Lutein Diesters on C16 Stationary Phases with Different Pore Diameters

PII
10.31857/S0044453723080034-1
DOI
10.31857/S0044453723080034
Publication type
Status
Published
Authors
Volume/ Edition
Volume 97 / Issue number 8
Pages
1192-1195
Abstract
It is shown that the column dead time determined from the retention of uracil is longer than the one determined from the retention of homologs—lutein diesters—for C16 reversed phases on three columns with sorbents with different pore diameters (80, 110, and 160 Å). This finding confirms the familiar assumption that the sorbate molecules 10% larger than the pore diameter can cause problems with the retention of the sorbate. It is found for smaller molecules (of alkyl benzoates) that the dead time determined from the retention of uracil is less than the one determined from the retention of the homologs on the same stationary phases, confirming that the main cause of the observed effect is the size factor.
Keywords
особенности удерживания “мертвое” время диаметр пор сорбентов диэфиры лютеина урацил алкилбензоаты
Date of publication
12.09.2025
Year of publication
2025
Number of purchasers
0
Views
12

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