[PDF] Top 20 Quím. Nova vol.39 número8

... The effects of the applied current intensity on the voltage profile, on the charging and discharging time, on the stored charge (charge capacity) and extracted charge (discharge capaci[r] ... See full document

... An efficient acidic functionalization of mesoporous silica LUS-1 (Laval University Silica) and its application as a recyclable heterogeneous catalyst in the synthesis of 2,4-diamino pyr[r] ... See full document

... In the thermal plasma treatment, the sludge sample is exposed to very high temperatures, and thus the partial volatilization of metals present in the residue (iron and zinc) occurs bef[r] ... See full document

... Similar to the data from humans, respiratory effects have been observed in animals tested almost exclusively in acute, lethal-dose exposure. Male rats given single gavage doses of 200 [r] ... See full document

... Considering all these aspects and analyzing the data shown in Table 3, it is observed that the acids formed by CA and the precipita- tion agents, compound (5’)-(15’), have higher χ , [r] ... See full document

... In this study, we investigated the hepatoprotection and antioxidant activity of the chloroform, ethyl acetate and n -butanol fractions prepared from an ethanol extract of the leaves [r] ... See full document

... 14. Merg, J. C.; Rossett, F.; Penha, F. G.; Quim. Nova 2010, 33, 1525. 15. Han, W.; Ren, L.; Zhang, Z.; Ceram. Int. 2015, 41, 7471. 16. Dos Santos, V. C.; Kondo, M. M.; Quim. Nova 2006, 29, 251. 17. ... See full document

... The calibration curves for total chromium determination and Cr(VI) speciation in synthetic saliva after the corrosion assay were prepared using stoichiometric mixtures of Cr(III) + Cr([r] ... See full document

... Taking into account this uncertainty, the systems conducted in the presence of the mixture Ti-Cit and ZnTPP in W/O microemulsion and under visible and UV radiation show results simila[r] ... See full document

... At higher Ag, loading of 127 µC, the electrode showed no activity for ethylene oxidation; in this case, scanning electron microscopy shows that silver clusters were irregularly coveri[r] ... See full document

... In addition, the effect of the increasing chalcone’s concentration over the relative viscosity of CT-DNA at room temperature was assessed.. 18,19.[r] ... See full document

... Additionally, EPEM fraction demonstrated signiicant myce- lial growth inhibition of the fungus B. theobromae (Tukey and Duncan, p≤0.01) at concentrations between 250 and 1000 mg/L. The concentration of 100 mg/L was not ... See full document

... Sample collection, between March and August 2003, was performed on the roof of a building (about 15 m above the ground level) of the University of Aveiro (40º 38‘N, 8º 39’W), 7 km from the coast. The campus of the ... See full document

... A simple liquid chromatographic method was optimized for the quantitative determination of terbinaine in pharmaceutical hydroalcoholic solutions and tablets, and was also [r] ... See full document

... Effect of UV light on different microorganisms in various efluents using a solar simulator and Black light lamps (BLL): (a) UASB efluent; (b) facultative pond efluent; (c) duckweed pon[r] ... See full document

... The following material is available for free at PDF format at http://quimicanova.sbq.org.br: Figure 1S showing the demulsiier base performance on demulsiication of crude oil [r] ... See full document

... Las iguras que se presentan son: Dependencia de la CMC con la longitud de la cadena alquílica (Figura 1S); Dependencia de la CMC con el volumen molecular del anión para diversos cation[r] ... See full document

... Although sesquiterpenes have been found in several species of the Lauraceae, mainly as components of leaf essential oils, only three representatives of this class of compounds have bee[r] ... See full document

... 1% solution of ferric chloride, 4% solution of sodium nitrite, 10% solution of hydrochloric acid and 0.2% solution of ammonium sulfamate were prepared freshly.. Procedure.[r] ... See full document

... Por lo tanto, en el presente trabajo se validó un método por Cromatografía líquida de alta eiciencia (CLAE) para la cuantiica- ción de este fármaco en estos medios biorrelevantes y en s[r] ... See full document