Abstract

Abstract Formation and decay of transient species produced in pure liquid carbon tetrachloride by ionizing radiation were studied by using a stroboscopic pulse radiolysis technique in the time region 35–350 ps. Optical absorption spectra show two principal bands. One narrow band centered at 325 nm, which is formed during each fine structure electron pulse and decayed after pulse with t1⁄2=6.5 ns, is attributed to CCl4+ cation. The other broad band centered at 470 nm built up after electron pulse is assigned to (CCl4+·Cl−). A consideration on effects of cation scavengers on these bands furnishes a support for the above assignment.

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