MRI: Development of an XRF Laboratory: Integrating Geology Undergraduate Coursework with Geochemical Research

MRI：XRF 实验室的发展：将地质学本科课程与地球化学研究相结合

• 批准号: 0115647
• 负责人: Keith Putirka
• 金额: $ 19.81万
• 依托单位: Indiana University of Pennsylvania
• 依托单位国家: 美国
• 项目类别: Standard Grant
• 财政年份: 2002
• 资助国家: 美国
• 起止时间: 2002-01-01 至 2003-04-30
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=0115647&HistoricalAwards=false
• 关键词: MRI; Development; XRF; Laboratory; Integrating

0115647PutirkaThis grant, made through the Major Research Instrumentation Program, provides partial support of the costs for development of an x-ray fluorescence (XRF) laboratory at the Indiana University of Pennsylvania (IUP). This grant includes acquisition of a Philips MagiX Pro x-ray fluorescence spectrometer. The new laboratory will represent the only XRF facility in the western PA region, and will thus satisfy a crucial need within the region for a flexible and precise chemical analysis tool. In particular, this laboratory will support a wide range of research activities at IUP, Penn State and the University of Pittsburgh. For reasons of flexibility, this instrument includes a He attachment, which allows for the analysis of liquid and loose powder samples, and a new crystal developed by Philips (PX-9), which increases the intensity gain on transition and rare earth elements by a factor of 1.5-1.8, compared to the LiF (200) crystal. This grant also includes funds for an array of sample preparation equipment, including furnaces, crucibles and a Claise fusion machine for the preparation of glass beads, and a press and ancillary equipment for the preparation of pressed powder pellets. The research activities at IUP that will be supported by this acquisition include: 1) An investigation of the volcanic plumbing systems within the Snake River Plain, Idaho, and at Mauna Kea volcano, Hawaii. 2) An unraveling of the paleoclimate record contained in terrigenous sediments recovered from deep-sea cores. 3) The elucidation of crystal structures and defects of organic and inorganic substances. 4) A study of InAs/InxGa1-xSb and GaN/GaxIn1-x solid solutions, which are being developed as electronic devices. This laboratory facility will also provide a central component to curriculum revisions at IUP that aim toward a seamless incorporation of research and undergraduate coursework. A new course will be developed that will be devoted to the instruction of analytical methods. Several of our existing courses (Mineralogy, Geochemistry, X-ray Crystallography, Igneous and Metamorphic Petrology) will also be revised to incorporate meaningful research components. IUP's existing General Chemistry sequence will also be modified so that students at the freshmen/sophomore level are introduced to XRF analytical techniques; analytical methods will thus be reinforced throughout the undergraduate curriculum. ***

[015647] putirka通过主要研究仪器计划获得的这笔拨款，为宾夕法尼亚印第安纳大学（IUP）的x射线荧光（XRF）实验室的开发提供部分费用支持。这笔拨款包括购买一台飞利浦MagiX Pro x射线荧光光谱仪。新实验室将代表PA西部地区唯一的XRF设施，因此将满足该地区对灵活和精确化学分析工具的关键需求。特别是，该实验室将支持IUP，宾夕法尼亚州立大学和匹兹堡大学的广泛研究活动。由于灵活性的原因，该仪器包括一个He附件，允许分析液体和松散粉末样品，以及飞利浦（PX-9）开发的新晶体，与liff（200）晶体相比，它将过渡和稀土元素的强度增益提高了1.5-1.8倍。这笔拨款还包括用于一系列样品制备设备的资金，包括用于制备玻璃珠的熔炉、坩埚和Claise熔合机，以及用于制备压制粉末颗粒的压力机和辅助设备。此次收购将支持IUP的研究活动包括：1)对爱达荷州斯内克河平原和夏威夷莫纳克亚火山的火山管道系统进行调查。2)解开从深海岩心中回收的陆源沉积物中包含的古气候记录。3)阐明有机和无机物的晶体结构和缺陷。4)电子器件开发中的InAs/InxGa1-xSb和GaN/ gax1 -x固溶体的研究。该实验室设施还将为IUP课程修订提供核心组成部分，旨在将研究和本科课程无缝结合。将开设一门专门讲授分析方法的新课程。我们现有的几门课程（矿物学、地球化学、x射线晶体学、火成岩和变质岩石学）也将进行修订，以纳入有意义的研究内容。IUP现有的普通化学序列也将进行修改，以便向大一/大二的学生介绍XRF分析技术；因此，分析方法将在整个本科课程中得到加强。＊＊＊