Results 1 to 10 of about 309,298 (344)
Molecules, 2019 The retention behavior of a wide variety of stationary phases was compared in supercritical fluid chromatography (SFC) and normal-phase high-performance liquid chromatography (NP-HPLC).
Tsunehisa Hirose +3 more
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Normal and reversed phase high performance liquid chromatography of some new 1, 2, 4-triazole derivatives [PDF]
Acta Periodica Technologica, 2003 The retention behaviour and separation ability of normal and reversed phase HPLC with one non-polar and two polar mobile phases, have been studied by measuring the retention constants of a series of newly synthesized 1,2,4-triazole derivatives.
Ačanski Marijana M. +2 more
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Separations, 2022 Obtaining an ideal solvent system for target compounds is still an obstacle to the wide application of high-speed counter-current chromatography (HSCCC).
Sha Li +5 more
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Molecules, 2021 Polar columns used in the HILIC (Hydrophilic Interaction Liquid Chromatography) systems take up water from the mixed aqueous–organic mobile phases in excess of the water concentration in the bulk mobile phase.
Pavel Jandera, Tomáš Hájek
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Analysis by LC-MS/MS of polar pesticides in fruits and vegetables using new hybrid stationary phase
MethodsX, 2021 Highly polar pesticides are frequently used in agriculture. However, their physicochemical properties make very difficult the analysis of these compounds following common procedures.
Víctor Cutillas +1 more
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Normal-phase high performance liquid chromatography of estradiol derivatives on amino- and diol-columns [PDF]
Journal of the Serbian Chemical Society, 2003 The retention behavior of estradiol derivatives was studied by HPLC on chemically bonded polar stationary phases: commercially available amino and diol- columns, as a function of the heptane-propan-1-ol as the mobile phase, when the volume fraction of ...
Ačanski Marijana M.
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Automated Image Analysis for Retention Determination in Centrifugal Partition Chromatography
Separations, 2022 In Centrifugal Partition Chromatography, two immiscible liquids are used as mobile and stationary phases. During operation, bleeding of the stationary phase cannot be eliminated completely.
Felix Buthmann +3 more
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Journal of Chromatography A, 2022 The paper presents a new kind of stationary phase for gas chromatography based on deep eutectic solvents (DES) in the form of a mixture of L-proline (protonated with hydrochloric acid) as a hydrogen bond acceptor (HBA) and xylitol as a hydrogen bond ...
Malwina Momotko +3 more
semanticscholar +1 more source
Efficiency of a solvatic sorption model for the prediction of retention times in linear gradient reversed-phase liquid chromatography working with different stationary phases; pp. 37–49 [PDF]
Proceedings of the Estonian Academy of Sciences, 2016 Currently several different approaches are used for speed-up and cost reduction for new method development in reversed-phase high-performance liquid chromatography.
Svetlana Vorslova +3 more
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Evaluating Relative Retention of Polar Stationary Phases in Hydrophilic Interaction Chromatography
Separations, 2019 A large number of polar stationary phases with diverse chemistry have been developed for various applications in hydrophilic interaction chromatography (HILIC).
Yong Guo, Nidhi Bhalodia, Bassel Fattal
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