Separation of 2-Pyridylacetic acid hydrochloride
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Isomers of Pyridylacetic acid are difficult to resolve using traditional single mode separation chromatography due to their similar structure. However in mixed-mode chromatography it is often an easy task. When more than one mode of interaction is involved (e.g. hydrophobic and cation-exchange on Primesep C or hydrophilic and cation-exchange on Primesep N) then small differences in molecule structure can play significant roles in retention and resolution as a result. In this example 3-Pyridylacetic acid, 2-Pyridylacetic acid and 4-Pyridylacetic acid were separated on mixed-mode Primesep C and Primesep N columns, with a simple mobile phase. Elution of compounds can be monitored by UV, Evaporative Light-Scattering (ELSD), Corona (CAD) or MS detection.
Application Name : HPLC Separation Of Mixture Of Pyridylacetic Acids
Column Name : Primesep C Columns
Analytes : 2-Pyridylacetic acid hydrochloride, 4-Pyridylacetic acid hydrochloride, 3-Pyridylacetic acid hydrochloride
Isomers of Pyridylacetic acid are difficult to resolve using traditional single mode separation chromatography due to their similar structure. However in mixed-mode chromatography it is often an easy task. When more than one mode of interaction is involved (e.g. hydrophobic and cation-exchange on Primesep C or hydrophilic and cation-exchange on Primesep N) then small differences in molecule structure can play significant roles in retention and resolution as a result. In this example 3-Pyridylacetic acid, 2-Pyridylacetic acid and 4-Pyridylacetic acid were separated on mixed-mode Primesep C and Primesep N columns, with a simple mobile phase. Elution of compounds can be monitored by UV, Evaporative Light-Scattering (ELSD), Corona (CAD) or MS detection.
Application Name : HPLC Separation Of Mixture Of Pyridylacetic Acids on Primesep N Column
Column Name : Primesep N Columns
Analytes : 2-Pyridylacetic acid hydrochloride, 4-Pyridylacetic acid hydrochloride, 3-Pyridylacetic acid hydrochloride
Application Name : HPLC Separation Of Mixture of Pyridylacetic Acids And Their Derivatives
Column Name : Primesep 200 Columns
Analytes : Nicotinic Acid, 2-Pyridylacetic acid hydrochloride, 4-Pyridylacetic acid hydrochloride, 3-Pyridylacetic acid hydrochloride, Pyridyl-3-thioacetomorpholide, 3-Acetylpyridine, Methyl-2-pyridylacetate
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