Purchase of a Microprocessor-Controlled ICP Emission Spectrometer

等离子体发射光谱法是一种快速、准确的岩石和矿物化学分析方法，通常含有大量、少量和痕量元素。加州大学洛杉矶分校地球与空间科学系要求获得等离子发射光谱仪系统费用的50%，以取代已有23年历史的x射线荧光光谱仪，该光谱仪已在他们的部门研究项目中用于多元素化学分析。加州大学洛杉矶分校正在进行的研究需要这样的分析能力，包括高压变质地体和伴生火成岩的现场和实验室解释，来自地幔的岩石的实验室研究，脉状和替代型矿床的比较地质和地球化学研究，地幔地球化学和沉积盆地的大规模解释，以及基于陨石和月球样品直接分析的宇宙化学。获得等离子体发射光谱仪将使大量的地球科学家能够对各种各样的地质样品进行必要的化学分析。

Plasma emission spectrometry is a rapid and accurate method of chemical analysis for rocks and minerals which typically contain many elements in major, minor, and trace concentrations. The Department of Earth and Space Sciences at UCLA requests 50% of the cost of acquiring a plasma emission spectrometer system to replace their 23 year old X-ray fluorescence spectrometer that has been used for multielement chemical analysis in their departmental research programs. Ongoing research at UCLA requiring such analytical capabilities include field and laboratory interpretations of high-pressure metamorphic terranes and associated igneous rocks, lab studies of rocks derived from the earth's mantle, comparative geological and geochemical studies of vein-type and replacement-type ore deposits, large- scaled interpretations of mantle geochemistry and sedimentary basins, and cosmochemistry based on direct analysis of meteorites and lunar samples. Acquisition of the plasma emission spectrometer will allow a large user-base of geoscientists to carry out the necessary chemical analyses of a wide variety of geological samples.