ACE C18-AR and C18-PFP - Hplc.eu
ACE C18-AR and C18-PFP - Hplc.eu
ACE C18-AR and C18-PFP - Hplc.eu
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®<strong>ACE</strong>HPLC / UHPLC Columns<strong>ACE</strong> ® <strong>C18</strong>-<strong>AR</strong> Aromatic Selectivity19Illustrating hydrophobicity <strong>and</strong> π-base character / aromaticselectivity with a simple example using substituted aromatics1. TNB 2. DNB 3. NB 4. TolNO 2NO 2NO 2NO 2NO 2NO 2NO 2NO 2Log P*π-acidity (order)O 2NO 2N1.2 1.6 1.9 2.71 > 2 > 3 -O 2NO 2NmAU123 4 <strong>ACE</strong> 3 <strong>C18</strong>3421<strong>ACE</strong> 3 Phenyl150x4.6 mm id1 mL/min40C, 210nm1:1 v/v MeOH:H2O23140 2 4 6 8 10 12 14 16 18<strong>ACE</strong> 3 <strong>C18</strong>-<strong>AR</strong>min* Predicted data from ACDLabs software, 30May12
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