DOI: 10.1039/d3ja00299c ISSN: 0267-9477
A simple and reliable calibration method for direct analysis of ground-roasted coffee by portable XRF: an accurate analytical tool for total diet studies
Nayza Ferreira Santos, Luiz Roberto Guimarães Guilherme, Marco Aurélio Carbone Carneiro, Marcelo Braga Bueno Guerra- Spectroscopy
- Analytical Chemistry
We proposed an accurate pXRF matrix-matched calibration method for the elemental analysis of ground-roasted coffee as well as the corresponding spent coffee grounds (SCG).