SiliCycle COVID-19 Statement

Follow SiliCycle on Facebook Follow SiliCycle on Twitter Follow SiliCycle on LinkedIn Watch our videos on Youtube

What determines the amount of silica required in a SPE tube?

> back to Sample Prep FAQ

The mass of the sample, rather than the volume of the sample, will be the factor to consider. Typically, the sorbent capacity will be around 5 % (weight/weight) for silica-based products and around 10 % (w/w) for polymeric products.

Silica-Based (SiliaPrep): load up to 5 % of bed weight.
e.g. 100 mg of silica-based sorbent will retain up to 5 mg of sample

Polymeric (SiliaPrepX): load up to 10 % of bed weight.
e.g. 100 mg of polymeric sorbent will retain up to 10 mg of sample

Tips

  • Not enough sorbent: ANALYTE LOSS ► low recovery and reproducibility
  • Too much sorbent: MORE EXPENSIVE ► more solvent used, taller SPE cartridges
  • Concentrated samples: double the bed weight to avoid analyte loss

 

Discover our Sample Preparation Products

1 Item(s)

Set Descending Direction
per page

List  Grid 

  1. Solutions For Sample Preparation (BROSAM)

    Solutions For Sample Preparation (BROSAM)

    Brochure, 56 pages. Product lines: SiliaPrep Silica-based SPE Cartridges & Well Plates and SiliaPrepX Polymeric SPE Cartridges & Well Plates

1 Item(s)

Set Descending Direction
per page

List  Grid