摘要
Ⅰ. INTRODUCTIONPhotolysis and radiolysis of Ⅰ<sup>-</sup>and other halide ion Ⅹ<sup>-</sup>have been Studied extensively. However, only two transient absorption maxima at 390 nm and 290 nm were observed and attributed to Ⅰ<sub>2</sub> and Ⅰ<sub>3</sub><sup>-</sup> respectively, the mechanism of which was suggested