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光在溶胶中的二次散射、反射式散射衰减和发散形散射光柱等现象是用单色激光照射卤化银溶胶时观察到的新现象,从这些现象中反映了影响散射光强度的各种因素。由于实验所用器材简单,操作安全,很适合教学演示。将卤化银溶胶对光的散射现象的观察,引入《大学化学》基础课教学,通过归纳总结、正确理解散射强度公式,取得了很好的教学效果。
Secondary scattering of light in the sol, reflection-type scattering, and diffusing-type scattering of light beams are new phenomena observed when a silver halide sol is irradiated with a single color laser, and from these phenomena, various factors that affect the intensity of the scattered light . As the experimental equipment used is simple, safe operation, it is suitable for teaching demonstration. The silver halide sol on the scattering of light observation, the introduction of “university chemistry” basic teaching, through the induction and conclusion, correctly understand the scattering intensity formula, and achieved good teaching results.