J. Masini | Universidade de São Paulo (original) (raw)

Papers by J. Masini

Minerals

Natural and modified clay minerals have been extensively used for the adsorption/desorption of or... more Natural and modified clay minerals have been extensively used for the adsorption/desorption of organic substances, especially pesticides, from waters and wastewater, aiming at pollution control and more efficient use of the herbicides through controlled release. While natural clay minerals efficiently remove organic cations such as paraquat and diquat, the adsorption of anionic or neutral species demands surface chemical modification with, for instance, quaternary ammonium salts containing long alkyl chains. Basic pesticides, on the other hand, are better absorbed in clay minerals modified with polycations. Kinetic studies and adsorption/desorption isotherms provide the parameters needed to evaluate the clay mineral’s adsorptive performance towards the pollutant target. However, the direct comparison of these parameters is complicated because the experimental conditions, the analytical techniques, the kinetic and isotherm models, and the numerical fitting method differ among the var...

Journal of Environmental Science and Health, Part B

TrAC Trends in Analytical Chemistry

Analytical and Bioanalytical Chemistry

Journal of Separation Science

Analytical and Bioanalytical Chemistry, Jan 19, 2010

Analytica Chimica Acta, Oct 2, 2006

Http Dx Doi Org 10 1080 00032710802363487, Sep 1, 2008

Fresenius J Anal Chem, 1998

Quimica Nova, Dec 1, 2007

Journal of Agricultural and Food Chemistry, 2005