Analysis of the influence of CWFP-NMR spectral parameter in quantitative measurements

• Grant number: 07/06119-9
• Support Opportunities: Scholarships in Brazil - Master
• Start date: March 01, 2008
• End date: September 30, 2009
• Field of knowledge: Physical Sciences and Mathematics - Chemistry - Analytical Chemistry
• Principal Investigator: Luiz Alberto Colnago
• Grantee: Antonio Marchi Netto
• Host Institution: Embrapa Instrumentação Agropecuária. Empresa Brasileira de Pesquisa Agropecuária (EMBRAPA). Ministério da Agricultura, Pecuária e Abastecimento (Brasil). São Carlos , SP, Brazil

Abstract

Recently we proposed a new NMR technique named continuous wave free precession (CWFP) to improve the signal to noise ratio in low resolution measurements. As CWFP is independent of T1, this allows the average of thousand of spectra per second enhancing more than ten times de signal to noise ratio, when compared to conventional techniques such as FID and spin echo. We also showed that CWFP-NMR can be used for on-line quantitative analyses with potential, for example, to analyze more than 20,000 samples per hour. The objective of this project is to study influence of CWFP-NMR spectral parameters in the on-line quantitative analyses.

Academic Publications

(References retrieved automatically from State of São Paulo Research Institutions)

NETTO, Antonio Marchi. Analysis of spectral influence of the NMR CWFP parameters in flow quantitative measurements. 2009. Master's Dissertation - Universidade de São Paulo (USP). Instituto de Física de São Carlos (IFSC/BT) São Carlos.