Column Packing Material
- Silica
- Alumina
- Polymers
- Zirconia
- Carbon
- Monolithic silica
- Particle Size
Bonded phases
- C18/ODS
- C8
- C4/C6/C1
- End Capping
- Polar Embedded Phases
- Amino
- Cyano
- DIOL
- Base Deactivated Phases
Normal Phase and reversed Phased
Using Polymer-based Reversed Phase columns
Column Sizes and Shapes
Column Loading Capacity
Scale down to microbore & narrowbore
Chiral HPLC
Size Exclusion
Ion Chromatography
Ion Exchange Chromatography
Hydrophobic Interaction Chromatography
Affinity Chromatography
Columns for Protein Separations
Columns for sugar analysis
Column Protection
- Use of precolumns & guard columns
- Mobile Phase & Sample Filtration
- In-Line Filters
Column Regeneration
- Washing off contaminants
- Changing frits
- Filling Voids
Five uses for an old column!
Scale up to Prep and semi-prep scale
- Calculating column size required
- Calculating new flow rate
- System changes - pump heads, injection valve, tubing, autosampler, flow cell etc
- Method development
- Solvent recycling
- Peak collection
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