[PDF] Top 20 J. Braz. Chem. Soc. vol.25 número5
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J. Braz. Chem. Soc. vol.25 número5
... Among the 140 Brazilian journals indexed in the Web of Science, in 2012, the JBCS was the first placed in number of articles quoting articles published by the JBCS in 2010 and 2011: a[r] ... See full document
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J. Braz. Chem. Soc. vol.25 número5
... The effect of the applied separation voltage (+15 to +25 kV) and the hydrodynamic injection time (from 0.3 to 1.5 s) were also studied in order to obtain the best instrumental conditions in the CE experiments. The ... See full document
7
J. Braz. Chem. Soc. vol.25 número5 pt a01v25n5
... Porém, se o foco é a visibilidade internacional dos periódicos, mais interessante do que países citantes é o censo de países estrangeiros que publicaram em periódicos nacionais. Em 20[r] ... See full document
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J. Braz. Chem. Soc. vol.25 número5
... were obtained at 300.00 and 75.00 MHz, respectively, on a Varian Unityplus instrument equipped with a 5 mm probe, using tetramethylsilane as the internal standard. Chemical shifts (d) are reported in ppm and coupling ... See full document
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J. Braz. Chem. Soc. vol.25 número5
... 19. Mendonça, G. F.; Senra, M. R.; Esteves, P. M.; de Mattos, M. C. S.; Appl. Catal. A: Gen. 2011, 401, 176; Ribeiro, R. S.; Esteves, P. M.; de Mattos, M. C. S.; J. Braz. Chem. Soc. 2012, 23, ... See full document
5
J. Braz. Chem. Soc. vol.25 número5
... Time-resolved absorbance spectra recorded for NIST SRM 8704 (Buffalo River sediment) in the vicinity of the antimony line at 231.147 nm using direct solid sample analysis and Ir as per[r] ... See full document
23
J. Braz. Chem. Soc. vol.25 número5
... Cathodic Voltammetric Detection of Diltiazem at a Bismuth Film Electrode: Application to Human Urine and Pharmaceuticals.. Rita I.[r] ... See full document
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J. Braz. Chem. Soc. vol.25 número5
... etching, 25 °C, 10 s), the hydrophobicity of coatings deposited at high speeds may be enhanced by the slightly higher average roughness at the nanoscale (Ra = ... See full document
14
J. Braz. Chem. Soc. vol.25 número5
... 39. Shao, Y.; Molnar, L. F.; Jung, Y.; Kussmann, J.; Ochsenfeld, C.; Brown, S. T.; Gilbert, A. T. B.; Slipchenko, L. V.; Levchenko, S. V.; O’Neill, D. P.; DiStasio, J. R. A.; Lochan, R. C.; Wang, T.; ... See full document
12
J. Braz. Chem. Soc. vol.25 número5
... Absorption spectra from nanoparticles in solution and from the multilayer films assembled on glass slides were acquired with a Perkin-Elmer Lambda 25 spectrophotometer. The absorbed light intensity was digitally ... See full document
7
J. Braz. Chem. Soc. vol.25 número5
... To prepare the solutions of tablets, the drug contents of ten tablets were weighed initially, then finely powdered and mixed in order to obtain a homogeneous powder. The average mass per tablet was determined. A powder ... See full document
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J. Braz. Chem. Soc. vol.25 número5
... By applying the SIMCA classifier to a test set comprising 150 seeds, the BRS Nordestina and BRS Paraguaçu class models yielded sensitivity/ specificity values of 0.91/0.99 and 0.71/1.00[r] ... See full document
6
J. Braz. Chem. Soc. vol.25 número5
... signals. The position of the acetyl group was deduced to be at C-6’’ by analysis of the HMBC data showing correlation from H-6’’ to C=O (Figure 2). Glucose connectivities of 1 were confirmed by HMBC correlations of ... See full document
6
J. Braz. Chem. Soc. vol.25 número5
... and ethylenediamine, were studied as regenerating reagents. It was found that the best result was obtained by applying ethylenediamine which gave short membrane regeneration times (10-25 s). After this ... See full document
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J. Braz. Chem. Soc. vol.25 número5
... In this work, a micro-flow-batch analyzer (µFBA) using webcam for spectrophotometric determination of ortho -phosphate and aluminium(III) in tap water is proposed.. PO 4 3– and.[r] ... See full document
9
J. Braz. Chem. Soc. vol.25 número5
... 30 min to reach the adsorption-desorption equilibrium. The photocatalytic reaction was initiated by exposing both systems, with and without film, to radiation at 25 °C. Aliquots (3.5 mL) of the reaction mixture ... See full document
9
J. Braz. Chem. Soc. vol.25 número5
... to calculate the average crystallite sizes, according to the Scherrer equation.. of the nanoparticles on the carbon support with average particle sizes around 4.0 nm and some agglomera[r] ... See full document
10
J. Braz. Chem. Soc. vol.25 número5
... The objective of this study was to analyze jewelry (necklaces, earrings, bracelets, rings and piercings) by portable and benchtop EDXRF equipments, in order to verify if the presented[r] ... See full document
8
J. Braz. Chem. Soc. vol.25 número5
... Chemometric analysis was performed with samples from mice inoculated with both kinds of tumour for the same incubation time in order to verify if the methodology is able to distinguis[r] ... See full document
12
J. Braz. Chem. Soc. vol.25 número5
... Based on the UV absorption spectra, chemiluminescent spectra and the results of the free radical trapping experiment performed in this study, possible reaction mechanisms for the CL [r] ... See full document
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