高等学校化学学报 ›› 1991, Vol. 12 ›› Issue (10): 1323.

• 论文 • 上一篇    下一篇

石墨炉内石墨探针表面上的原子化机理研究(Ⅴ)--锰的原子化机理

王建平, 邓勃   

  1. 清华大学化学系, 北京, 100084
  • 收稿日期:1990-07-10 出版日期:1991-10-24 发布日期:1991-10-24
  • 通讯作者: 邓勃
  • 基金资助:

    国家自然科学基金

Mechanism of Atomization on the Graphite Probe Surface in Graphite Furnace (Ⅴ)--Mechanism for Atomization of Manganese

Wang Jian-ping, Deng Bo   

  1. Department of Chemistry, Tsinghua University, Beijing, 100084
  • Received:1990-07-10 Online:1991-10-24 Published:1991-10-24

摘要: 在石墨炉原子吸收光谱(GFAAS)法中,反应前后的化合物形态可以借助于X射线衍射(XRD)、俄歇电子能谱(AES)及化学分析光电子能谱(ESCA)等现代分析仪器来鉴定,本文综合利用上述分析方法,对锰化合物在石墨探针表面上于不同温度下的化学形态进行鉴定,结合元素的灰化和原子化曲线,详细地研究和阐述了锰的原子化机理。

关键词: 原子化机理, 石墨探针,

Abstract: The mechanism of atomization for Mn compound on the graphite probe surface in graphite furnace was investigated by using X-ray diffraction spectrometry(XRD), Auger electron spectroscopy (AES) and electron spectroscopy for chemical analysis (ESCA). Gaseous Mn atoms originated from the thermal dissociation of its monooxide on the graphite probe surface at relatively high temperature.

Key words: Mechanism of atomization, Graphite probe, Manganese

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