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This book brings together a number of studies which examine the ways in which the retention and selectivity of separations in high-performance liquid chromatography are dependent on the chemical structure of the analytes and the properties of the stationary and mobile phases. Although previous authors have described the optimisation of separations by alteration of the mobile phase, little emphasis has previously been reported of the influence of the structure and properties of the analyte. The initial chapters describe methods based on retention index group increments and log P increments fo

Liquid chromatography --- Chromatographie en phase liquide --- Liquid chromatography. --- Chromatographic analysis. --- Analysis, Chromatographic --- Chromatography --- Analytical chemistry --- Phase partition --- Liquid-liquid partition chromatography --- Chromatographic analysis

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Separation Methods in Drug Synthesis and Purification

Ethics and addiction --- Drugs --- Separation --- Purification --- Drug development. --- Drugs. --- Drugs--Separation. Drugs--Purification. --- Pharmaceutical chemistry. --- Purification. --- Separation. --- Separation (Technology). --- Synthesis. --- Pharmacology --- Investigative Techniques --- Chemistry --- Chemicals and Drugs --- Analytical, Diagnostic and Therapeutic Techniques and Equipment --- Natural Science Disciplines --- Biological Science Disciplines --- Disciplines and Occupations --- Chemistry, Pharmaceutical --- Chemistry Techniques, Analytical --- Pharmaceutical Preparations --- Pharmaceutic Preparations --- Pharmaceutical Products --- Pharmaceuticals --- Preparations, Pharmaceutical --- Drug --- Pharmaceutical --- Pharmaceutical Preparation --- Pharmaceutical Product --- Preparation, Pharmaceutical --- Preparations, Pharmaceutic --- Product, Pharmaceutical --- Products, Pharmaceutical --- Drug Dosage Calculations --- Analytical Chemistry Methods --- Analytical Chemistry Techniques --- Analytical Chemistry Method --- Analytical Chemistry Technique --- Chemistry Method, Analytical --- Chemistry Methods, Analytical --- Chemistry Technique, Analytical --- Method, Analytical Chemistry --- Methods, Analytical Chemistry --- Technique, Analytical Chemistry --- Techniques, Analytical Chemistry --- Chemistry, Pharmaceutic --- Pharmaceutic Chemistry --- Pharmaceutical Chemistry --- Medicinal Chemistry --- Chemistry, Medicinal --- Biologic Sciences --- Biological Science --- Science, Biological --- Sciences, Biological --- Biological Sciences --- Life Sciences --- Biologic Science --- Biological Science Discipline --- Discipline, Biological Science --- Disciplines, Biological Science --- Life Science --- Science Discipline, Biological --- Science Disciplines, Biological --- Science, Biologic --- Science, Life --- Sciences, Biologic --- Sciences, Life --- Natural Sciences --- Physical Sciences --- Discipline, Natural Science --- Disciplines, Natural Science --- Natural Science --- Natural Science Discipline --- Physical Science --- Science, Natural --- Science, Physical --- Sciences, Natural --- Sciences, Physical --- Investigative Technics --- Investigative Technic --- Investigative Technique --- Technic, Investigative --- Technics, Investigative --- Technique, Investigative --- Techniques, Investigative --- Pharmacologies --- pharmacology --- Drugs - Separation --- Drugs - Purification --- Separation (Technology) --- Analysis. --- Chemical separations --- Separation processes --- Separation science --- Separation technologies --- Separations, Chemical --- Analytical chemistry --- Chemistry, Technical --- Technology --- Chemistry, Medical and pharmaceutical --- Drug chemistry --- Medical chemistry --- Medicinal chemistry --- Pharmacochemistry --- Pharmaceutical analysis --- Development of drugs --- New drug development --- Pharmacy --- Adulteration and analysis --- Development --- Chemistry, Analytic.

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This book brings together a number of studies which examine the ways in which the retention and selectivity of separations in high-performance liquid chromatography are dependent on the chemical structure of the analytes and the properties of the stationary and mobile phases. Although previous authors have described the optimisation of separations by alteration of the mobile phase, little emphasis has previously been reported of the influence of the structure and properties of the analyte. The initial chapters describe methods based on retention index group increments and log P increments for the prediction of the retention of analytes and the ways in which these factors are influenced by mobile phases and intramolecular interactions. The values of a wide range of group increments in different eluents are tabulated. Different scales of retention indices in liquid chromatography are described for the comparison of separations, the identification of analytes and the comparison of stationary phases. Applications of these methods in the pharmaceutical, toxicology, forensic, metabolism, environmental, food and other fields are reviewed. The effects of different mobile phases on the selectivity of the retention indices are reported. A compilation of sources of reported retention index values are given. Methods for the comparison of stationary phases based on the interactions of different analytes are covered, including lipophilic and polar indices, shape selectivity comparisons, their application to novel stationary phases, and chemometric methods for column comparisons.

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Southeast Asia --- Politics and government --- Sources.