S. Navarro García
University of Murcia
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Featured researches published by S. Navarro García.
Journal of Environmental Science and Health Part B-pesticides Food Contaminants and Agricultural Wastes | 1992
M. A. Cámara; Miriam Navarro; S. Navarro García; A. Barba; Camille Coste
Abstract The catalytic degradation of chlorfenvinphos and methidathion on H+, Ca+2, Na+ and ?+ monoionic kaolinite and bentonite was investigated. The results showed that the decomposition of chlorfenvinphos was greater than methidathion in both clays. The extent of degradation was influenced by the nature of the exchange cations and its degree hydration, in the following sequence: K+ >Na+ >Ca+2 >H+/A1+3. In both clays the process of hydrolysis occurred in two stages involving first‐order kinetics of differents hydrolysis rates. The first stage consisted a high hydrolysis rate of short duration and the second had a slow rate but involved a continuous hydrolysis.
Journal of Environmental Science and Health Part B-pesticides Food Contaminants and Agricultural Wastes | 1991
A. Barba; Miriam Navarro; S. Navarro García; M. A. Cámara; Camille Coste
Summary Adsorption of chlorfenvinphos and methidathion from dissolutions on H+, Ca++, Na+ and K+ are studied. In all cases the saturating cation distinctly influenced the Freundlich‐type adsorption, with adsorption decreasing in the following sequence: H+> Ca++> Na+ > K+. Chlorfenvinphos adsorption was slightly greater than methidathion in two clays, and the adsorption extent for them in kaolinite is slower that bentonite.
Pesticide Science | 1995
A. Barba; S. Navarro García; M. A. Cámara; R. Molina; J. Buendia
Journal of Environmental Science and Health Part B-pesticides Food Contaminants and Agricultural Wastes | 1991
A. Barba; M. A. Cámara; S. Navarro García; C. Sanchez‐Fresneda; N. Lopez de Hierro; A. Acebes
Journal of Applied Toxicology | 1992
S. Navarro García; M. A. Cámara; A. Barba; R. Toledano; Aurelio Luna
Journal of Environmental Science and Health Part B-pesticides Food Contaminants and Agricultural Wastes | 1992
M. A. Cámara; Miriam Navarro; S. Navarro García; A. Barba; Camille Coste
Boletín de sanidad vegetal. Plagas | 1990
Alberto Barba Navarro; M. A. Cámara; J. A. Escribano; Rafael Molina; S. Navarro García
Hojas Divulgadoras - Ministerio de Agricultura, Pesca y Alimentacion (Espana) | 1998
S. Navarro García; A. Barba Navarro
Boletín de sanidad vegetal. Plagas | 1991
J. Callizo; M. A. Cámara; J. A. Escribano; N. López de Hierro; Alberto Barba Navarro; S. Navarro García
Boletín de sanidad vegetal. Plagas | 1991
M. A. Cámara; J. A. Escribano; Alberto Barba Navarro; R. Toledano; S. Navarro García