高等学校化学学报 ›› 1989, Vol. 10 ›› Issue (7): 709.

• 研究论文 • 上一篇    下一篇

石墨炉电热蒸发进样与ICP-AES联用技术研究——仪器装置及其分析性能

黄敏, 许廉发, 江祖成, 曾云鹗   

  1. 武汉大学化学系
  • 收稿日期:1987-12-23 出版日期:1989-07-24 发布日期:1989-07-24
  • 通讯作者: 江祖成

Study on the Technique of ICP-AES by Using Electrothermal Graphite Furnace as Sample Introduction Device——Device and Its Analytical Performance

Huang Min, Xu Lianfa, Jiang Zucheng, Zeng Yun'e   

  1. Department of Chemistry, Wuhan University, Wuhan
  • Received:1987-12-23 Online:1989-07-24 Published:1989-07-24

摘要: 将石墨炉作为蒸发器与ICP-AES联用,改善其检出限并赋予微量体积样品分析的能力。用自己组装的仪器,选择了等离子体和石墨炉各自最佳操作参数。结果表明,取样量为10μL时,大多数元素的检出限达μg/L级;相对标准偏差5%;线性范围达4个数量级。

关键词: 石墨炉, 电热蒸发, ICP, 联用技术

Abstract: An instrument system is described in which a graphite furnace electrothermal vaporization device is used for the.introduction of microlitre liquid sample into an inductively coupled plasma.The appratus is equipped with home-made ones.Under the optimum operating condition for ICPexcitation and graphite furnace evaporation, the detection limits are at sub-nanogram level with linear dynamic ranges of over four orders of magnitude for nine elements.The RSDare better than 5%.

Key words: Graphite furnace, Electrothermal vaporization, Inductively coupled plasma(ICP), Combined technique

TrendMD: