Saltar al contenido
MilliporeSigma

Agglomerated carbon based phases for anion exchange chromatography.

Journal of chromatography. A (2010-12-15)
Stuart D Chambers, Christopher A Pohl, Charles A Lucy
RESUMEN

Carbon-clad zirconia particles have been converted into ion exchange media through addition of charged latexes after covalent modification of the carbon surface. A variety of methodologies were investigated to introduce a negative charge to the carbon surface in the form of either sulfonate or oxygen containing functionalities (e.g. hydroxyl or carboxylate). Short analytical sized columns (35 mm × 4 mm I.D.) were packed with modified 2 μm nonporous carbon clad zirconia. Addition of the latex particles after the initial packing produced almost double the efficiency for the system compared to adding the latexes before packing. The optimized system could separate mixtures of common inorganic anions with efficiencies greater than of 41,000 plates/m and retention reproducibility of <2% RSD.

MATERIALES
Referencia del producto
Marca
Descripción del producto

Sigma-Aldrich
Chlorosulfonic acid, 99%
Número de referencia del producto (SKU)
Tamaño de envase
Disponibilidad
Precio
Cantidad
Sigma-Aldrich
Chlorosulfonic acid, CP
Número de referencia del producto (SKU)
Tamaño de envase
Disponibilidad
Precio
Cantidad