Development of Radio Frequency Glow Discharge Devices

射频辉光放电装置的研制

• 批准号: 9117152
• 负责人: Richard Marcus
• 金额: $ 24.23万
• 依托单位: Clemson University
• 依托单位国家: 美国
• 项目类别: Continuing Grant
• 财政年份: 1991
• 资助国家: 美国
• 起止时间: 1991-12-15 至 1995-05-31
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=9117152&HistoricalAwards=false
• 关键词: Development; Radio; Frequency; Glow; Discharge

This project is in the general area of analytical and surface chemistry and in the subfield of spectrochemical analysis. During the tenure of this three year continuing grant, Professor Marcus and his students will develop and evaluate radio frequency glow discharge (rf-GD) devices as spectrochemical sources for direct solids elemental analysis by atomic emission, atomic absorption, and mass spectrometric methods. The rf-GD approach is particularly advantageous for the analysis of non-conducting solids that do not yield to sputtering/atomization by graphite furnace or other more conventional approaches. Four specific thrust areas for investigation are (1) development of methods for quantification in rf-GD mass and emission techniques, (2) characterization of excitation/ionization processes in rf-GD, (3) exploration of pulsed and variable frequency plasma operation, and (4) development of an rf-GD atomic absorption atomizer. %%% This research addresses an area of spectrochemical analysis which is of major technological importance. It builds upon results obtained under NSF grant CHE-8901788 and should provide the basis for the rapid and reliable direct elemental analysis of glass, ceramic, and other nonconducting solid materials.

该项目属于分析和表面化学的一般领域，以及光谱化学分析的子领域。在这项为期三年的持续资助期间，Marcus教授和他的学生将开发和评估射频辉光放电(RF-GD)设备，作为原子发射、原子吸收和质谱分析方法直接进行固体元素分析的光谱化学源。RF-GD方法对于分析不会被石墨炉或其他更传统的方法溅射/雾化的非导电固体特别有利。研究的四个主要领域是：(1)RF-GD质量和发射技术定量方法的发展；(2)RF-GD中激发/电离过程的表征；(3)脉冲和可变频率等离子体操作的探索；以及(4)RF-GD原子吸收原子化器的发展。%本研究涉及具有重大技术重要性的光谱化学分析领域。它建立在美国国家科学基金会授予CHE-8901788的结果的基础上，应该为玻璃、陶瓷和其他非导电固体材料的快速和可靠的直接元素分析提供基础。