Unstable intermediates. Part LXXXII. Electron spin resonance spectra of the species Br2–, I2–, BrOH–, and IOH– in γ-irradiated frozen aqueous solutions of alkali-metal halides

I. Marov, M. Symons
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引用次数: 12

Abstract

Exposure of aqueous solutions of alkali-metal bromides or iodides to 60Co γ-rays at 77 K gave hydroxyl radicals, Br2– or I2–, and species identified as BrOH– or IOH–. The resulting magnetic parameters are compared with those for VK centres in alkali halide crystals, and with CIOH– in strontium chloride hexahydrate. Argentic and mercuric iodide complexes in frozen aqueous solution gave only I2– under these conditions.
不稳定的中间体。LXXXII一部分。γ辐照碱金属卤化物冷冻水溶液中Br2 -、I2 -、BrOH -和IOH -的电子自旋共振谱
将碱金属溴化物或碘化物的水溶液暴露在77 K的60Co γ射线下,会产生羟基自由基Br2 -或I2 -,以及鉴定为BrOH -或IOH -的物质。所得的磁性参数与碱卤化物晶体中VK中心的磁性参数和六水氯化锶中的CIOH -磁性参数进行了比较。在这些条件下,冷冻水溶液中的砷和碘化汞配合物只产生I2 -。
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