The Formation and Motion of CCl[sub 4]−] in CCl4 - Ar Mixture

Abstract

Dynamic Faraday cup signal analysis and the measurement of energetic ions emitted by plasma focus Phys. Plasmas 21, 033504 (2014); 10.1063/1.4867175 Studies of the mechanism of the cluster formation in a thermally sampling atmospheric pressure ionization mass spectrometer Rev. Sci. Instrum. 85, 014102 (2014); 10.1063/1.4854855Nuclear magnetic resonance studies on the rotational and translational motions of ionic liquids composed of 1ethyl-3-methylimidazolium cation and bis(trifluoromethanesulfonyl)amide and bis(fluorosulfonyl)amide anions and their binary systems including lithium salts Abstract. This article deals with the measurement of the mobility of negative ions in the mixtures of CCl 4 with Ar with the CCl 4 ratio up to 33.3%. The Pulsed Townsend Technique was employed to produce an integrated ionic avalanches over a range of the density-reduced electric field E/N for which ionization is either negligible or absent, and attachment processes are dominant, leading to the formation of mostly CCl -4 . The E/N range of measurement was 1 to 50 Td (1Td = 10 -17 Vcm 2 ). Our measurements strongly suggest that attachment is the dominant process and only negative ions are formed.