I am assuming the resulting insertion/agglomeration in the presence of a surfactant or the agglomeration of surfactant may reduce the rate of ionization. The mobility of the ion may also be reduced in the presence of the surface-active agent. Kindly share me the exact/ probable reason / mechanism repression the mass spectra a compound in the presence of surface-active compounds. Interestingly fluorinated surfactants such as perfluorooctanoic acid (PFOA) and perfluorooctanesulfonic acid (PFOSA) could be employed for ESI-MS without a significant decrease in sensitivity!!
Kindly explain/ share your view.
Thanks
Best Kind Regards
Mr. Ghosh,
Such phenomenon we have observed during our analyses by means of mass spectrometry of environmental samples. Please, consider reference [1]. We have explained this phenomenon with the capability of the surfactants of forming metal-organic compounds with the alkali metal ions. There is well-known that the latter species (alkali metal ions) affect crucially on the ionization efficiency.
[1] Quantitation of Heterogeneous Formulations of Morpholine-Type Fungicides and Surfactants in Polluted Soils
Bojidarka Ivanova, Michael Spiteller
Water, Air, Soil Pollution, 225, Article number: 1918 (2014)
@Bodidarka b. Ivanova mam would you kindly send me the same article pdf, which you already mentioned.
Thanks with sincere regards
Dr. Raja Ghosh
Mr. Ghosh,
Please, write your email-address, or request the publication via researchgate. Directly, I am unable to send you the text.
Mr. Ghosh,
Please, check your email for an attachment entitled: WASP-proof-morph.pdf. I have sent it before a minute. If you have any problem with it reading, then, please, write to me.
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