[PDF] Top 20 J. Braz. Chem. Soc. vol.22 número3
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J. Braz. Chem. Soc. vol.22 número3
... It is worth noting that the great driving force of Rio-92 has been the interest of the chemical-pharmaceutical industry of the industrial countries, which fought for unrestricted acces[r] ... See full document
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J. Braz. Chem. Soc. vol.22 número3
... 3. Yang, X.-L.; Xu, C.-M.; Lin, S.-M.; Chen, J.-X.; Ding, J.-C.; Wu, H.-Y.; Su, W.-K.; J. Braz. Chem. Soc. 2010, 21, 37; Kok, S. H. L.; Gambari, R.; Chui, C. H.; Yuen, M. C. W.; ... See full document
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J. Braz. Chem. Soc. vol.22 número3
... with a concomitant increase in polydispersity and number of average chain scission, characterized a random chain scission, yielding low molecular weight species produced by oxi[r] ... See full document
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J. Braz. Chem. Soc. vol.22 número3
... second event with weight loss of 23%, occurring in the 150 ºC to 400 ºC interval, can be assigned to the thermal decomposition and destruction of the layered structure through[r] ... See full document
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J. Braz. Chem. Soc. vol.22 número3
... Determination of Copper, Iron, Lead and Zinc in Gasoline by Sequential Multi- Element Flame Atomic Absorption Spectrometry after Solid Phase Extraction.. Denilson S.[r] ... See full document
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J. Braz. Chem. Soc. vol.22 número3
... The results of analysis of acid number, potassium, soap, water and residual methanol of puriied and unpuriied biodiesel samples are presented in Table 1. These analyses[r] ... See full document
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J. Braz. Chem. Soc. vol.22 número3
... Imparting new dimension to the synthesis of 1,4-benzoquinones a “telescoped process” for the preparation of 2-methoxy-3-methyl-1,4-benzoquinone ( 141 ) from 1,3-dimethoxy[r] ... See full document
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J. Braz. Chem. Soc. vol.22 número3
... A comparison of this result with that in the following section reveals that the rod-like nanoparticles with high aspect ratio are synthesized from the precipitation reaction with high[r] ... See full document
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J. Braz. Chem. Soc. vol.22 número3
... 30. Castilho, M. S.; Guido, R. V. C.; Andricopulo, A. D.; Bioorg. Med. Chem. 2007, 15, 6242; Andricopulo, A. D.; Yunes, R. A.; Nunes, R. J.; Savi, A. O. S.; Correa, R.; Cruz, A. B.; Cechinel, V.; Quim. ... See full document
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J. Braz. Chem. Soc. vol.22 número3
... as br (broadened), s (singlet), d (doublet), t (triplet), q (quartet), m (multiplet). Coupling constants (J) are reported in Hertz (Hz). IR spectra were measured with a Bomem (FT-IR) spectrometer. Thin layer ... See full document
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J. Braz. Chem. Soc. vol.22 número3
... 1. Madec, D.; Mingoia, F.; Prestat, G.; Poli, G.; Synlett 2008, 1475; Hehn, J. P.; Gamba-Sánchez, D.; Kemmler, M.; Fleck, M.; Basler, B.; Bach, T.; Synthesis 2010, 2308; Calvo, L.; González- Ortega, A.; Navarro, ... See full document
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J. Braz. Chem. Soc. vol.22 número3 pt v22n3a01
... Deixando de lado os usos mais “grossos” da biodiversidade, torna-se óbvio que existe uma grande oportunidade para o desenvolvimento da Química da Biodiversidade, como existe t[r] ... See full document
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J. Braz. Chem. Soc. vol.22 número3
... Taking into consideration the results presented in this paper, it can be concluded that the method employing aqua regia as a reagent for wet digestion is the most favorable for simp[r] ... See full document
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J. Braz. Chem. Soc. vol.22 número3
... GC-MS analysis was carried out on an Agilent 6890N GC (Palo Alto, CA, USA) equipped with an Agilent 7683B autosampler coupled to an Agilent 5975 mass selective detector. Data acquisition and analysis were performed using ... See full document
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J. Braz. Chem. Soc. vol.22 número3
... 5. Kappe, C. O.; Chem. Soc. Rev. 2008, 37, 1127; Kappe, C. O. Angew. Chem., Int. Ed. 2004, 43, 6250; Lidström, P.; Tierney, J.; Wathey, B.; Westman, J.; Tetrahedron 2001, 57, 9225; ... See full document
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J. Braz. Chem. Soc. vol.22 número3
... The Ret value of PBCB/CILE decreased further and a straight line appeared (curve c), which indicated that the presence of PBCB ilm exhibited good conductivity and the electron[r] ... See full document
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J. Braz. Chem. Soc. vol.22 número3
... To test the reliability of the method, it was applied for the determination of Ni 2+ ions in six water samples including tap water, rain water, mineral water, spring[r] ... See full document
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J. Braz. Chem. Soc. vol.22 número3
... Robb, M. A.; Cheeseman, J. R.; Montgomery Jr., J. A.; Vreven, T.; Kudin, K. N.; Burant, J. C.; Millam, J. M.; Iyengar, S. S.; Tomasi, J.; Barone, V.; Mennucci, B.; Cossi, M.; Scalmani, ... See full document
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J. Braz. Chem. Soc. vol.22 número3
... The three reservoir rock samples containing petroleum fluid inclusions (Figure 4) were used to check the measurements made by the mass analyzer through the DIP method.. The s[r] ... See full document
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J. Braz. Chem. Soc. vol.22 número3
... A liquid-phase microextraction technique was developed using ultrasound-assisted emulsiication solidiied loating organic drop microextraction (USAE-SFODME) combined with [r] ... See full document
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