Articles
Electrostatic Repulsion-Hydrophilic Interaction Chromatography (ERLIC): Using One Mode to Tune Retention from the Second Andrew Alpert and Amos Heckendorf
A look at how ERLIC can be used to fine-tune the selectivity to reduce or diminish the effect of strongly polar groups on a separation.
Determining High-Molecular-Weight Phthalates in Sediments using GC–APCI-TOF-MS
Frank David, Pat Sandra and Peter Hancock
A novel approach to analyse problematic high-molecular-weight phthalates is described.
Columns
LC TROUBLESHOOTING
Selectivity in Reversed-Phase HPLC Separations (Part 2): Solvent-Strength Selectivity
John Dolan
A change in the mobile phase strength can be a powerful tool to move peaks in a separation.
GC CONNECTIONS Hydrogen Carrier Gas and Vacuum Compensation
John Hinshaw
How does choosing hydrogen as the carrier gas affect column selection and the operation of direct-interface GC–MS?
CE CURRENTS
Analysing Inorganic Ions by CE
Kevin Altria
What advantages does CE offer for the analysis of inorganic ions?
DEPARTMENTS
Products, Literature, Events
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