Argentation chromatography

Source: Wikipedia, the free encyclopedia.

Argentation chromatography is

trans fats, undesirable contaminants in ultra-processed foods, are quantified by argentation chromatography.[2]

Theory

Silver ions form

alkene complexes
. The binding is reversible, but sufficient to impede the elution of the alkene-containing analytes.

trans-cyclooctene. Color code: red = O, bright blue = N, dark blue = Ag, gray = C, white = H.[3]

References

  1. ^ Boryana Nikolova-Damyanova. "Principles of Silver Ion Complexation with Double Bonds".
  2. PMID 24050531
    .
  3. .