[PDF] Top 20 J. Braz. Chem. Soc. vol.24 número4
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J. Braz. Chem. Soc. vol.24 número4
... • notinvolveanyoneelseinthereviewofamanuscript withoutirstobtainingpermissionfromthejournal; • keepallmanuscriptandreviewdetailsconidential; • contact the jour[r] ... See full document
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J. Braz. Chem. Soc. vol.24 número4
... (m, 1.05) with H-3 (dd, 3.14, J 11.5, 4.5 Hz) and H-1 (m, 1.62). The second hydroxyl group of compound 1 was assigned to C-21 on the basis of HMBC and COSY correlation spectra instead to C-22 as in compound 2. An ... See full document
6
J. Braz. Chem. Soc. vol.24 número4
... liquid-liquid extraction (HLLE) methods, solvents of higher density than water (i.e., chlorinated solvents) have been used, and there is no report to use low density miniaturized homo[r] ... See full document
6
J. Braz. Chem. Soc. vol.24 número4
... Pattern recognition of the GC×GC-FID chromatograms was performed by parallel factor analysis (PARAFAC) and it was successfully applied for the differentiation of these gasoline samples[r] ... See full document
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J. Braz. Chem. Soc. vol.24 número4
... water. The treated Ti sheet served as anode and a platinum rod served as cathode, and both were placed in a solution of 0.2 vol.% hydrofluoric acid. Anodization was performed at a constant voltage of 20 V for 20 ... See full document
6
J. Braz. Chem. Soc. vol.24 número4
... 26. Jayasuriya, H.; Herath, K. B.; Ondeyka, J. G.; Guan, Z.; Borris, R. P.; Tiwari, S.; de Jong, W.; Chavez, F.; Moss, J.; Stevenson, D. W.; Beck, H. T.; Slattery, M.; Zamora, N.; Schulman, M.; Ali, A.; ... See full document
5
J. Braz. Chem. Soc. vol.24 número4
... Under the optimal conditions, the alcohol-based ATPS coupled with high-performance liquid chromatography (HPLC) was successfully applied to the separation and determination of trace C[r] ... See full document
6
J. Braz. Chem. Soc. vol.24 número4
... The GC-ECD system used was a gas chromatograph 3800 (Varian, USA) equipped with autosampler, split/splitless injector, electronic flow control, electron capture detector, Star Workstation 6.6 version and capillary column ... See full document
8
J. Braz. Chem. Soc. vol.24 número4
... the cytotoxicity of these aminomethylnaphthoquinone platinum(IV) complexes, the synthesis of novel analogues of 1b-3b containing different axial ligands capable of tuning the reduct[r] ... See full document
10
J. Braz. Chem. Soc. vol.24 número4
... b Key Laboratory of Tobacco Chemistry of Yunnan Province, Yunnan Academy of Tobacco Science, Kunming 650106, Yunnan, People’s Republic of China.. Duas novas 2"-etil-furanoflavonas c[r] ... See full document
5
J. Braz. Chem. Soc. vol.24 número4
... Kihou, N.; Yuita, K.; Environ. Sci. Technol. 2004, 38, 1038. 12. Wedepohl, K. H.; Geochim. Cosmochim. Acta 1995, 59, 1217. 13. Dixit, S.; Hering, J. G.; Environ. Sci. Technol. 2003, 37, 4182. 14. Yuan, J. ... See full document
5
J. Braz. Chem. Soc. vol.24 número4
... more importantly, a separation of 114 mV between the oxidation peaks of HQ and CC, which is large enough for the simultaneous determination of the dihydroxybenzene isomers, were deter[r] ... See full document
5
J. Braz. Chem. Soc. vol.24 número4
... the 24 h equilibration period, the filters were conditioned at a controlled temperature with variation lower than ± 3 °C, and constant relative humidity within a variation of ± ... See full document
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J. Braz. Chem. Soc. vol.24 número4 pt v24n4a01
... • não envolver mais ninguém na revisão de um manuscritosemapermissãopréviadoperiódico; • manter todo o manuscrito e detalhes da revisão em. sigilo;[r] ... See full document
2
J. Braz. Chem. Soc. vol.24 número4
... used carbon nanotubes. Graphene oxide (GO) and reduced graphene oxide (RGO), two kinds of the important derivatives of graphene, also have high surface area, excellent conductivity and strong mechanical strength. ... See full document
10
J. Braz. Chem. Soc. vol.24 número4
... (d) are quoted in ppm from TMS (tetramethylsilane) and coupling constants (J) are given in Hz. Melting points were determined using open capillaries on an Electrothermal Mel-Temp 3.0 apparatus. Mass spectra were ... See full document
5
J. Braz. Chem. Soc. vol.24 número4
... Photoabsorption, near-edge X-ray absorption fine structure (NEXAFS), and PSID measurements were performed at the Brazilian Synchrotron Light Source (LNLS), during the single-bunch operation mode of the storage ring, with ... See full document
6
J. Braz. Chem. Soc. vol.24 número4
... Comparing the results obtained using 10 and 15% hypochlorite solutions, we can deduce that while blank measurement underwent an increasing of 44%, the signal of allantoin standard sol[r] ... See full document
9
J. Braz. Chem. Soc. vol.24 número4
... The reusability aspect of the catalyst after several successive runs was also tested using only babassu oil. The experimental runs were conducted at a methanol to oil molar ratio of 6:1 catalyst to oil mass ratio of 1%, ... See full document
8
J. Braz. Chem. Soc. vol.24 número4
... 30. Frisch, M. J.; Trucks, G. W.; Schlegel, H. B.; Scuseria, G. E.; Robb, M. A.; Cheeseman, J. R.; Montgomery Jr., J. A.,; T. V.; Kudin, K. N.; Burant, J. C.; Millam, J. M.; Iyengar, ... See full document
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