"Reverse-phase chromatography of polar biological substances: separation of catechol compounds by high-performance liquid ... is a mode of liquid chromatography in which non-polar stationary phase and polar mobile phases are used for the separation of ... hence the term reversed-phase chromatography. Reversed-phase chromatography employs a polar (aqueous) mobile phase. As a result ... Any inert polar substance that achieves sufficient packing can be used for reversed-phase chromatography. The most popular ...

... and somewhat on the polar groups present in the stationary phase. 23 compounds were analyzed with varying mobile phases and ... Reverse phase high-performance liquid chromatography (RP-HPLC) involves a non-polar stationary phase, often a hydrocarbon chain ... Micellar liquid chromatography (MLC) is a form of reversed phase liquid chromatography that uses an aqueous micellar solutions ... "Chromatographic behaviour in reversed-phase high-performance liquid chromatography with micellar and submicellar mobile phases ...

... is polar (e.g. paper, silica etc.) it is forward phase chromatography, and if it is non-polar (C-18) it is reverse phase. ... Reversed-phase chromatography (RPC) is any liquid chromatography procedure in which the mobile phase is significantly more ... Ion exchange chromatography uses a charged stationary phase to separate charged compounds including anions, cations, amino ... Countercurrent chromatography (CCC) is a type of liquid-liquid chromatography, where both the stationary and mobile phases are ...

... stationary phase and a polar mobile phase. In common applications, the mobile phase is a mixture of water and other polar ... size-exclusion chromatography, and affinity chromatography. Among these, the most widely used variant is the reverse-phase (RP ... TSP was also more suitable for LC-MS applications involving reversed phase liquid chromatography (RT-LC). With time, the ... "Analysis of Highly Polar Compounds of Plant Origin: Combination of Hydrophilic Interaction Chromatography and Electrospray Ion ...

... allows more rapid solute exchange between phases, higher column efficiency. operates in normal phase, reversed-phase and polar ... gas chromatography (GC), high performance liquid chromatography (HPLC), chiral supercritical fluid chromatography (SFC), ... the chiral mobile phase additive and chiral stationary phase mode. In this approach, an enantiomerically pure compound, the ... They operate under reverse phase mode (phosphate buffer and organic modifiers). Protein polymer remains in twisted form because ...

Brodsky J, Ballschmiter K (1988). "Reversed phase liquid chromatography of PCBs as a basis for calculation of water solubility ... is the ratio of the sum of the concentrations of all forms of the compound (ionized plus un-ionized) in each of the two phases ... the non-polar phase in such experiments is usually dominated by the un-ionized form of the solute, which is electrically ... reverse-phase HPLC, and pH-metric techniques.: 280 In this method the solid particles present into the two immiscible liquids ...

... "reverse" mode (with EOF suppressed or reversed, and detection near the anodic end of the capillary). One of the most common ... The separation of compounds by capillary electrophoresis is dependent on the differential migration of analytes in an applied ... Micellar electrophoretic capillary chromatography (MECC) has been developed and applied to the analysis of inks extracted from ... Unlike HPLC, in capillary electrophoresis there is no mass transfer between phases. In addition, the flow profile in EOF-driven ...

... nitro compounds (RNO2), nitroso compounds (RNO), oximes (RC(=NOH)R), and pyridine derivatives. C-N bonds are strongly polarised ... Many stoichiometric phases are usually present for most elements (e.g. MnN, Mn6N5, Mn3N2, Mn2N, Mn4N, and MnxN for 9.2 < x < ... It is very weak and flows in the form of glaciers and on Triton geysers of nitrogen gas come from the polar ice cap region. The ... Below 35.4 K (−237.6 °C) nitrogen assumes the cubic crystal allotropic form (called the alpha phase). Liquid nitrogen, a ...