Separation of complex mixtures by parallel development thin-layer chromatography

Nurok, David; Tecklenburg, Ronald E.; Maidak, B.

doi:10.1021/ac00266a040

Cited by 13 publications

(3 citation statements)

References 14 publications

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“…Thus the modified procedure would facilitate simplification of the procedure and greatly shorten the analysis time. Separation of complex mixtures of steroids by parallel thinlayer chromatography was described by Nurok et al [35].…”

Section: Discussionmentioning

confidence: 99%

A new procedure for separation of complex mixtures of pesticides by multidimensional planar chromatography

Tuzimski¹

2007

J of Separation Science

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The objective of this communication is to report a new procedure for the separation of complex mixtures of pesticides by a combination of different modes of multidimensional planar chromatography. Complete separation of a mixture of pesticides was carried out by multidimensional planar chromatography on silica gel plates. The plates were videoscanned to show a real picture of the experimental results. Complete separation of all compounds was not possible by a single development on silica gel. The separation can be characterized as [PC x (nPC + PC + PC + PC)]. With the aid of this new procedure a complex mixture of fourteen compounds was separated on a 10 x 10 cm TLC plate.

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Section: Discussionmentioning

confidence: 99%

A new procedure for separation of complex mixtures of pesticides by multidimensional planar chromatography

Tuzimski¹

2007

J of Separation Science

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“…These may be constructed using the following equation [7] which predicts migration distance, MD, and is applicable to continuous development TLC using a binary mixture of solvents:…”

Section: Use Of Contour Diagramsmentioning

confidence: 99%

Contour diagrams for the presentation of separation quality in two‐dimensional thin layer chromatography

Steinbrunner

Malik

Nurok

1987

J. High Resol. Chromatogr.

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Several methods for evaluating separation quality in two-dimensional thin layer chromatography are discussed. These include using either the distance between spot centers for the pair of solutes that is the most difficult to separate in a mixture, or the value of a suitable separation function, as criteria of overall separation quality. Contour diagrams may be constructed in which solvent compositions for each of the two-dimensional developments are the independent variables and spot separation or the value of a suitable function is the dependent variable. Such diagrams indicate which are the best and the worst regions of the two-dimensional solvent domain. These diagrams should be of value for comparing different solvent systems for two-dimensional thin layer chromatography.

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“…The determination of flavonoids in human blood plasma and an application for pharmacokinetic study was presented by Ishii et al [18]. 2D-TLC separation of epoxy resin systems was described by Luoma [19], the theory and practical applications of this method were studied by Guiochon et al [20 22] and computer simulation of 2D TLC systems was described by Nurok et al [23,24]. 2D-TLC separation of epoxy resin systems was described by Luoma [19], the theory and practical applications of this method were studied by Guiochon et al [20 22] and computer simulation of 2D TLC systems was described by Nurok et al [23,24].…”

Section: Introductionmentioning

confidence: 99%

Retention behavior of some flavonoids in 2D-TLC systems on cyano bonded polar phases

Soczewiński

Hawrył

2001

Chromatographia

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Two-dimensional thin layer chromatography of 16 flavonoids and 3 phenolic acids was performed in normal and reversed phase systems on plates with chemically bonded-cyanopropyl stationary phase. The RM values in some non-aqueous and aqueous systems were utilized to optimize separation. RM values were correlated for all investigated chromatographic systems and then optimum pairs of systems were selected for use in f,,vo-dimensional TLC separations.

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Separation of complex mixtures by parallel development thin-layer chromatography

Cited by 13 publications

References 14 publications

A new procedure for separation of complex mixtures of pesticides by multidimensional planar chromatography

A new procedure for separation of complex mixtures of pesticides by multidimensional planar chromatography

Contour diagrams for the presentation of separation quality in two‐dimensional thin layer chromatography

Retention behavior of some flavonoids in 2D-TLC systems on cyano bonded polar phases

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