Avantor ACE HILIC UHPLC and HPLC columns are manufactured with 100 Å Ultra-Inert Base Deactivated Silica specifically designed for your HILIC method development needs. Avantor ACE HILIC UHPLC and HPLC columns are available in 3 different bonded phases HILIC-A (acidic phase), HILIC-B (basic phase), and HILIC-N (neutral phase). Avantor ACE HILIC UHPLC and HPLC columns are available in 1.7, 3, and 5 um particle sizes in all analytical column sizes. All Avantor ACE HILIC columns are known for their excellent peak shape and batch to batch reproducibility. Columns are packed in 1000 bar UHPLC hardware.