站操空姐 _光谱分析法在化学史上发挥了怎样的作用?

每种元素的原子都有特定的明线光谱,因此,明线光谱的谱线叫做原子的特征谱线,可用于鉴别物质和研究原子的结构。

19世纪,德国化学家本生和物理学家基尔霍夫创立光谱分析法后,该方法被广泛用于元素的界定。在光谱分析法的帮助下,1860年,本生和基尔霍夫发现铯;1861年,二人又发现铷;同年,英国化学家克鲁克斯发现铊;1863年德国化学家赖希和李希特发现铟,以后又发现了镓、钪、锗等。

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