Evidence for surface effects in an electron-capture detector.
We have found surface effects in a conventional electron-capture detector that are significantly reduced in an experimental, more inert version of this detector, both by Varian. These surface effects generate unique patterns of solute response for both pesticides-herbicides, and derivatized cytosine strong electrophores. They also cause a minimum followed by a more pronounced maximum in the response factor with increasing solute concentration, demonstrated with lindane. Certain speculations are presented to account for these observations.
D044503:5-Methylcytosine; D055598:Chemical Phenomena; D002627:Chemistry, Physical; D002849:Chromatography, Gas / Q000379:methods; D003596:Cytosine / Q000031:analogs & derivatives / Q000032:analysis*; D003634:DDT / Q000032:analysis; D005437:Flucytosine / Q000032:analysis; D008731:Methoxychlor / Q000032:analysis; D010575:Pesticides / Q000032:analysis*; D013499:Surface Properties; D013696:Temperature
D010575:Pesticides; D044503:5-Methylcytosine; D003596:Cytosine; D003634:DDT; D005437:Flucytosine; D008731:Methoxychlor