Journal of Physical Chemistry p. 5861 - 5864 (1995)
Update date:2022-08-16
Topics:
Matsumura, Hisashi
Mafune, Fumitaka
Kondow, Tamotsu
A sodium iodide (NaI) solution in ethanol was introduced into vacuum as a continuous liquid flow (liquid beam) and irradiated with a 220 nm UV laser.Cluster cations containing ethoxide such as Na+(NaOEt), Na+(NaI)n(NaOEt) (n = 1-4), and Na+(NaI)n(NaOEt)2 (n = 1-4) were observed by a time-of-flight (TOF) mass spectrometer.Furthermore, addition of NH4+ or n-BuOH into the NaI ethanol solution resulted in suppressing the intensities of the peaks associated with these cluster ions.It is concluded that the ethoxide is produced by a scavenging reaction of a solvated electron with an ethanol molecule, and the reaction of the ethoxide formation competes with a scavenging reaction by NH4+ or n-BuOH.The rate equations of these competing processes predict the dependence of the ethoxide formation on the concentration of NH4+ or n-BuOH.Similar reaction products were observed from alcohol solutions of several iodides.
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