Home Analytical Chem Liquid chromatography
Steps
  1. 1 Understand sample filtration importance 00:06
  2. 2 Remove particulate matter from samples 00:44
  3. 3 Consider filter material compatibility 01:11
  4. 4 Select appropriate filter unit size 01:53
Analytical Chem Cytiva

Liquid chromatography

Protocol
Difficulty
intermediate

Steps

1
Understand sample filtration importance

Learn why filtering samples before liquid chromatography is critical for maintaining column life and preventing instrument damage. Sample filtration ensures optimal chromatographic run quality and prevents costly equipment failures.

▶ 00:06
2
Remove particulate matter from samples

Filter out particulate matter to prevent column blockage and reduce back pressure on the LC system. The pore size and retention properties of the filter material must match the particle size of the column being used.

▶ 00:44
3
Consider filter material compatibility

Select filter material based on chemical compatibility with solvents in your sample to minimize non-specific binding of analytes of interest. This ensures sample integrity and accurate chromatographic results.

▶ 01:11
4
Select appropriate filter unit size

Choose a filter unit size (syringe filter, 13mm, or 4mm) that minimizes sample losses through hold-up volume, particularly important for very small sample volumes. Proper filter unit selection preserves analyte quantity for reliable analysis.

▶ 01:53
💬 Comments coming soon