Nd YAG Laser for Inductively Coupled Plasma Mass Spectrometry

用于电感耦合等离子体质谱分析的 Nd YAG 激光器

• 批准号: RTI-2019-00113
• 负责人: Canil, Dante
• 金额: $ 10.3万
• 依托单位: University of Victoria
• 依托单位国家: 加拿大
• 项目类别: Research Tools and Instruments
• 财政年份: 2018
• 资助国家: 加拿大
• 起止时间: 2018-01-01 至 2019-12-31
• 项目状态: 已结题
• 来源: https://www.nserc-crsng.gc.ca/ase-oro/Details-Detailles_eng.asp?id=646787
• 关键词: Nd; YAG; Laser; Inductively; Coupled

This proposal is for purchase of a 213 nm Nd YAG*laser sampling system for trace element microanalysis of solids in the UVic ICP-MS*laboratory. The desired instrument is a New Wave Research NWR213 system*supplied by Ligero Techical Services. The instrument is to be funded through a combination of NSERC*funds we seek herein, with $40K of our own contributions from lab user fee*savings, and departmental and external support funds. The new device is to replace an aging 12 year old instrument, that has undergone many repairs and is becoming difficult to source parts for. The new NWR213 system has many modern*features we require to develop high resolution, 2-dimensional trace element*mapping in solids (minerals, hair, shells, otoliths, artefacts) that will inform*spatial and temporal changes in the environmental conditions under which they*form. The NWR213 device has beam-shaping capability that allows for square-shaped*laser ablations, in either straight or sinuous paths, allowing compositional imaging of trace elements in minerals or biological*materials orthogonal to growth bands with no beam overlap. In addition, the 2-volume*sample cell chamber of the NWR213 system has a smaller gas sampling volume, giving a 20-fold faster gas washout time and thus much higher sensitivity. A customizable*sample holder area for flexible sample options. These features make 2-D trace*element mapping practical, accurate, and precise. Higher sensitivity is also necessaryto advance*our capabilities and potential in geochronology and geochemistry. Purchasing 13 nm Nd YAG laser sampling system is timely, allowing for higher valued trade-in of our older instrument, and prudent,*by avoiding investment of our user fee funds toward frequent and time-consuming*repairs of our aging instrumentation. The investment of our own*contributions that total to ~30% of the purchase, shows our commitment to more modern*state-of-the-art analytical technology that will further advance the training of the next*generation researchers in geology, environmental science, geochronology, oceanography*and biology.

此提案是购买213 nm Nd YAG*激光采样系统，用于UVic ICP-MS*实验室固体微量元素分析。所需的仪器是由Ligero技术服务公司提供的New Wave Research NWR213系统*。该仪器将通过我们在此寻求的NSERC*资金，以及我们自己从实验室用户费用节省中贡献的4万美元，以及部门和外部支持资金的组合来资助。这台新设备将取代一台已经使用了12年的老旧仪器，这台仪器经历了多次维修，很难找到零件。新的NWR213系统具有许多现代功能，我们需要在固体（矿物，头发，贝壳，耳石，人工制品）中开发高分辨率，二维微量元素测绘，这将为它们形成的环境条件的空间和时间变化提供信息。NWR213设备具有光束整形能力，允许在直线或弯曲路径上进行方形激光烧蚀，允许矿物或生物材料中微量元素的成分成像，与生长带正交，没有光束重叠。此外，NWR213系统的2体积样品室具有更小的气体取样体积，可将气体冲洗时间缩短20倍，从而提高灵敏度。一个可定制的*样品持有人区域灵活的样品选项。这些特点使2-D轨迹*元素映射实用，准确，精确。更高的灵敏度对于提高我们在地质年代学和地球化学方面的能力和潜力也是必要的。购买13 nm Nd YAG激光采样系统是及时的，允许我们旧仪器的更高价值的以旧换新，并且是谨慎的，通过避免将我们的用户费用资金投资于频繁和耗时的维修我们老化的仪器。我们自己的贡献占总购买量的30%，这表明我们致力于开发更先进的现代分析技术，这将进一步促进下一代地质学、环境科学、地质年代学、海洋学和生物学研究人员的培训。