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Investigations on the relationship between molecular structure and chromatographic parameters : III. Partition of pyridyl alkyl ketones between organic solvents and hydrochloric acid

✍ Scribed by Maria Bieganowska; Edward Soczewiński; Stefania Bieganowska

Publisher
Elsevier Science
Year
1969
Tongue
English
Weight
599 KB
Volume
45
Category
Article
ISSN
1873-3778

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✦ Synopsis

RM vs. Ho relationships of two homologous series of pyridyl alkyl ketones were determined for systems of the type organic solvent/aqueous hydrochloric acid. In accordance with theoretical anticipations, linear 22~ vs. Ho plots were obtained for Ho values in the range -I, +I, RM values for methylene groups were found to be constant in the systems studied so that the homologous series, especially z-pyridyl alkyl ketones, can be used as reference compounds for the chromatography of weak lipophilic organic bases in strongly acidic liquid-.,liquid partition systems.

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✍ Graźyna Matysik; Edward Soczewiński 📂 Article 📅 1978 🏛 Elsevier Science 🌐 English ⚖ 522 KB

The & vs. composition relationships of several solutes containing two or three functional groups (hydroxyl, amino and nitro groups), chromatographed in the system chloroform f electron-donor solvent-water, were compared with analogous plots obtained using simpler systems: cyclohexane i-chloroform-wa