• Semi-Preparative and preparative guard columns are available for 7.5, 10.0, 21.2, 30.0 mm Column IDs
  • 5 µm bioanalytical guard columns are recommended for 5 µm semi-preparative and preparative columns
  • 10 µm bioanalytical guard columns are recommended for 10.0 µm semi-preparative and preparative columns
  • Guard columns are available in 5-packs
  • Column holders, guard cartridges and union are sold separately

How to purchase Bioanalytical Guard Columns for Avantor® ACE® Semi-Preparative 10 mm ID and 21.2 mm ID columns:

  1. Go to shop filter
  2. Select Guard Columns/Holders from Product Type
  3. Select phase from bonded phase dropdown to match Semi-Preparative column ID
  4. Select column ID to match Semi-Preparative column ID
  5. Select particle size to match Semi-Preparative column ID
  6. Purchase selected item
  7. Required: Purchase C0001 male/male column coupler
  8. Required: Purchase H0002 semi-prep guard holder for both 10 and 21.2 mm ID prep columns.

How to purchase Bioanalytical Guard Columns for Avantor® ACE® Preparative 30 mm ID HPLC columns:

  1. Go to shop filter
  2. Select Guard Columns/Holders from Product Type
  3. Select phase from bonded phase dropdown to match Preparative column ID
  4. Select column ID to match Preparative column ID
  5. Select particle size to match Preparative column ID
  6. Purchase selected item
  7. Required: Purchase C0002 male/male column coupler for use with H0009 30-mm prep guard holder
  8. Required: Purchase H0009 preparative guard holder for 30 mm ID prep column