An Electron Microprobe Light Element Spectrometer

该奖项将提供一半的资金，使加州理工学院有可能为他们的电子微探针获得一种新的四晶光谱仪。这种新的四晶光谱仪包含最先进的层状色散元素假晶体，能够以高效率分析非常轻的元素（铍通过碳）。加州理工学院承诺为此次收购提供所需的额外资金。这种最先进的光谱仪/晶体系统的收购将(1)显著提高pi分析Be， B和C的能力，这对各种地质调查非常重要，例如确定玻璃中的二氧化碳含量和硅酸盐中的B取代；(2)使这些研究人员能够为极轻元素和软x射线线开发卓越的定量分析校正程序。与过去一样，这些调查人员表示，他们计划将这些纠正程序广泛提供给其他感兴趣的调查人员。

This award will provide half of the funding to make it possible for Caltech to acquire a new four-crystal spectrometer for their electron microprobe. This new four-crystal spectrometer contains state-of-the-art layered dispersion element pseudocrystals that enable analysis of very light elements (beryllium through carbon) with high efficiency. Caltech is committed to provide the additional funds needed for this acquisition. The acquisition of this state-of-the-art spectrometer/crystal system will (1) significantly improve the PIs capability to analyze Be, B, and C which will be of importance for a variety of geologic investigations such as determining the carbon dioxide content of glasses and B substitution in silicates; and (2) enable these investigators to develop superior quantitative analysis correction procedures for the very light elements and soft X-ray lines. As in the past, these investigators indicate that they plan to make these correction procedures widely available to other interested investigators.