reversed-phase partition chromatography

reversed-phase partition chromatography

[ri′vərst ¦fāz pär′tish·ən ‚krō·mə′täg·rə·fē]
(analytical chemistry)
Paper chromatography in which the low-polarity phase (such as paraffin, paraffin jelly, or grease) is put onto the support (paper) and the high-polarity phase (such as water, acids, or organic solvents) is allowed to flow over it.