ACE C18-AR and C18-PFP - Hplc.eu
ACE C18-AR and C18-PFP - Hplc.eu
ACE C18-AR and C18-PFP - Hplc.eu
You also want an ePaper? Increase the reach of your titles
YUMPU automatically turns print PDFs into web optimized ePapers that Google loves.
®<strong>ACE</strong>HPLC / UHPLC Columns<strong>ACE</strong> ® Phase Comparisons With The Selectivity Descriptor*23Selectivity = 100 x √ (1 – R 2 )t rcolumn 1xxxxR 2 = 0.9987S = 19S = 15<strong>C18</strong><strong>C18</strong>MeCNt rcolumn 2MeOHS = 7 S = 8>100 acidic, basic, n<strong>eu</strong>tral analytesS = 11S = 12S = 18S = 18S = 8Selectivity = 100 x √ (1 – R 2 )= 100 x √ (1 – 0.9888)= 10.6<strong>C18</strong>-<strong>PFP</strong><strong>C18</strong>-<strong>PFP</strong>S = 10<strong>C18</strong>-<strong>AR</strong>S = 15<strong>C18</strong>-<strong>AR</strong>* N<strong>eu</strong>e, O’Gara, Méndez “Selectivity in Reversed-Phase Separations: Influence of the Stationary Phase”, J. Chromatogr. A 1127 (2006), 161-174
Change language