Abstract
The stability of polymer-coated silica-based packing materials for high-performance liquid chromatography was examined. Linear relationships between the pH of the eluent and the logarithm of the concentration of silicic acid dissolved in the effluent, log C SIL, were observed, and the slope of the lines was dependent on the surface properties of the packing materials. A lower solubility was observed for polymer-coated silica and glass beads in comparison with common porous bare silica beads. A linear relationship between the specific surface area and log C SIL was observed for porous silica beads, and the plots for polymer-coated silica and glass beads deviated from linearity.
Sign-in/Register to access full text options 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a call
