Upgrade of the Undergraduate Instrumental Analysis Laboratory: Purchase of a Raman Spectrometer

本科生仪器分析实验室升级：购买拉曼光谱仪

• 批准号: 9950656
• 负责人: Greg Swain
• 金额: $ 1.25万
• 依托单位: Utah State University
• 依托单位国家: 美国
• 项目类别: Standard Grant
• 财政年份: 1999
• 资助国家: 美国
• 起止时间: 1999-09-01 至 2001-08-31
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=9950656&HistoricalAwards=false
• 关键词: Upgrade; Undergraduate; Instrumental; Analysis; Laboratory

Funds are requested for the acquisition of a Raman Spectrometer to be used in a new materials characterization module being implemented into the undergraduate Instrumental Analysis Laboratory (CHEM 5650). The instrument will also be utilized in the undergraduate research program, Chemical Problems (CHEM 4800). The requested funds will be used to acquire a Wizard 1200 Raman Spectrometer (ChrQmgx, Albuquerque, NM) with a fiber optic probe to be extensively used in a new materials characterization module. This instrument is extremely versatile, allowing for spectroscopic studies of gases, liquids and solids, and can be configured to perform not only Raman but also fluorescence, absorption and emission measurements. The proposed Raman experiments will involve most aspects of the analytical process (problem identification, sampling, sample preparation, measurement, data analysis, and interpretation). The instrumentation will significantly improve the quality of instruction and practical training offered by our Department in the fields of vibrational spectroscopy and materials characterization.A program has been initiated to revise and modernize the undergraduate Instrumental Analysis Laboratory (CHEM 5650). A major change involves the implementation of a Problem-based Learning (PBL) approach. "Analytical chemistry is essential to much of the nation's science and engineering. So to ensure that the nation's technical needs will be met, the undergraduate analytical curriculum (e.g., Instrumental Analysis and Chemical Problems) needs to better prepare students to become problem solvers. In turn, this preparation will give students a broader range of career opportunities. If the learning is exciting and relevant, analytical science courses may attract more young people into the sciences" (1998 NSF-sponsored study titled Curriculum Reform in the Analytical Sciences). Curriculum revisions are focused in two areas: separation science and materials characterization.Due to increased demand for science-based curricula, this Junior College has instituted a Natural Science program and is developing science courses for serving nonscience majors. A new interdisciplinary course entitled Environmental Quality is being developed to satisfy new science core requirements for majors in the Liberal Arts and Education Transfer programs. This project seeks matching funds for the acquisition of equipment for student-based environmental quality assessments of the Lackawanna River, its tributaries, and other water sources which are contaminated with acid mine drainage and combined sewer overflows. Assessment strategies will be based on examining actual and potential impacts on water quality and biota, specifically metals, nutrients, dissolved oxygen, and benthic macroinvertebrates. Portable field analytical instrumentation, in addition to a new laboratory spectro -photometer, will be used to estimate pollutant loads and to evaluate levels of chemical constituents in areas of suspected impact and non-impacted control (reference) sites. Students will become familiar with the scientific methodologies involved in sample collection and analysis, as well as the interrelationships between the biological, chemical, and hydrological components of the environment. Results of the project will be evaluated in terms of scientific validity, contributions to environmental databases, and its impact on student learning. Dissemination of results will occur through research publications and conference presentations.

需要资金购买拉曼光谱仪，用于本科生仪器分析实验室（CHEM 5650）实施的新材料表征模块。该仪器还将用于本科生研究项目化学问题 (CHEM 4800)。所申请的资金将用于购买一台 Wizard 1200 拉曼光谱仪（ChrQmgx，阿尔伯克基，新墨西哥州），其光纤探头将广泛用于新材料表征模块。该仪器用途极其广泛，可以对气体、液体和固体进行光谱研究，并且可以配置为不仅可以执行拉曼测量，还可以执行荧光、吸收和发射测量。拟议的拉曼实验将涉及分析过程的大部分方面（问题识别、采样、样品制备、测量、数据分析和解释）。该仪器将显着提高我们系在振动光谱和材料表征领域提供的教学和实践培训的质量。已经启动了一项对本科生仪器分析实验室（CHEM 5650）进行修订和现代化的计划。一项重大变革涉及实施基于问题的学习（PBL）方法。 “分析化学对于国家的大部分科学和工程至关重要。因此，为了确保满足国家的技术需求，本科分析课程（例如仪器分析和化学问题）需要更好地帮助学生成为问题解决者。反过来，这种准备将为学生提供更广泛的职业机会。如果学习令人兴奋且相关，分析科学课程可能会吸引更多年轻人进入科学领域”（1998 年 NSF 赞助） 题为“分析科学课程改革”的研究）。课程修订主要集中在两个领域：分离科学和材料表征。由于对科学课程的需求增加，该初级学院设立了自然科学项目，并正在开发为非科学专业服务的科学课程。正在开发一门名为“环境质量”的新跨学科课程，以满足文科和教育转移项目专业的新科学核心要求。该项目寻求配套资金购买设备，用于以学生为基础对拉克万纳河及其支流和其他受到酸性矿井排水和合流下水道溢流污染的水源进行环境质量评估。评估策略将基于检查对水质和生物群的实际和潜在影响，特别是金属、营养物、溶解氧和底栖大型无脊椎动物。除了新的实验室分光光度计之外，还将使用便携式现场分析仪器来估计污染物负荷并评估可疑影响区域和未影响控制（参考）地点的化学成分水平。学生将熟悉样本采集和分析所涉及的科学方法，以及环境的生物、化学和水文成分之间的相互关系。该项目的结果将根据科学有效性、对环境数据库的贡献及其对学生学习的影响进行评估。结果将通过研究出版物和会议演讲进行传播。