Computer Upgrade for a Varian CFT-20 FT-NMR Spectrometer forUndergraduate Instruction

用于本科教学的 Varian CFT-20 FT-NMR 波谱仪的计算机升级

• 批准号: 9650077
• 负责人: Terry Bunde
• 金额: $ 1.39万
• 依托单位: Maryville College
• 依托单位国家: 美国
• 项目类别: Standard Grant
• 财政年份: 1996
• 资助国家: 美国
• 起止时间: 1996-06-01 至 1998-05-31
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=9650077&HistoricalAwards=false
• 关键词: Computer; Upgrade; Varian; CFT; 20

The chemistry department is purchasing a TECMAG Mercury-S12/LoEC computer upgrade for the Varian CFT-20 Fourier-transform nuclear magnetic resonance (NMR) system currently used for undergraduate instruction. This equipment replaces the current Varian 620 minicomputer with a Macintosh 7100/80 computer and specially designed spectral acquisition boards, interfaces, Deskwriter 660 printer, and MacNMR software. This upgrade to an industry standard 32-bit computer with a wide selection of low-cost I/O devices, enables students to obtain one-dimensional or two-dimensional carbon and proton NMR spectra with a minimum of supervision. The current instrument, a gift from PPG Industries, has reliable electromagnet and solid-state instrument control circuitry but suffers from problems with the embedded minicomputer, oscilloscope visual interface, and cumbersome NMR spectral acquisition software that is difficult to program and is contained on cassettes and 8-inch floppy disks. This upgrade extends the life of the current instrument, improves the user interface, expands its use for both routine and advanced spectral acquisition, and serves as an upgrade model for other colleges in the Appalachian College Association with similar, failing electromagnet NMR spectrometers.

化学系正在为目前用于本科教学的瓦里安CFT-20傅里叶变换核磁共振（NMR）系统购买TECMAG Mercury-S12/LoEC计算机升级。该设备用Macintosh 7100/80计算机和专门设计的光谱采集板、接口、Deskwriter 660打印机和MacNMR软件取代了当前的Varian 620小型计算机。这种升级到具有广泛选择的低成本I/O设备的行业标准32位计算机，使学生能够以最少的监督获得一维或二维碳和质子NMR光谱。 目前的仪器是PPG Industries赠送的礼物，具有可靠的电磁铁和固态仪器控制电路，但存在嵌入式小型计算机、示波器可视界面和繁琐的NMR光谱采集软件的问题，这些软件难以编程，并包含在盒式磁带和8英寸软盘上。 此次升级延长了当前仪器的使用寿命，改进了用户界面，扩展了其在常规和高级光谱采集方面的用途，并为阿巴拉契亚学院协会中其他拥有类似故障电磁NMR光谱仪的学院提供了升级模式。