| Grant number: | 18/02462-5 |
| Support Opportunities: | Scholarships in Brazil - Master |
| Start date: | November 01, 2018 |
| End date: | April 06, 2020 |
| Field of knowledge: | Physical Sciences and Mathematics - Chemistry - Analytical Chemistry |
| Agreement: | Coordination of Improvement of Higher Education Personnel (CAPES) |
| Principal Investigator: | Hudson Wallace Pereira de Carvalho |
| Grantee: | Rafael Giovanini de Lima |
| Host Institution: | Centro de Energia Nuclear na Agricultura (CENA). Universidade de São Paulo (USP). Piracicaba , SP, Brazil |
| Associated research grant: | 15/05942-0 - Shedding light on the metabolism of nanomaterials absorbed by plants with X-ray and vibrational spectroscopy, AP.JP |
Abstract Qualitative and quantitative elemental evaluation of samples is of great importance for agricultural and environmental sciences. These analyzes can be performed by several methods and equipment. In this context, total reflection X-ray fluorescence (TXRF) technique is under consolidation since it presents limits of detection in the order of ¼g L-1 or ¼g kg-1, wide range of linear calibration and access to all elements with Z>11 of the periodic table. Additionally, it only requires small amount of sample for analysis and presents low operating cost. This project aims at assembling and commissioning a vacuum TXRF system with automatic sample holder, unprecedented in Brazil, that will operate in multiuser mode at CENA-USP. As a result, the execution of this project will make available to the Brazilian scientific community an alternative tool to conventional analytical techniques. | |
| News published in Agência FAPESP Newsletter about the scholarship: | |
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