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New flavonoids and coumarins from Platymiscium floribundum Vogel
- 摘要：
- Two new flavonoids, 3,4,10-trihydroxy-9-methoxypterocarpan聽and 2',4'-dihydroxy-4-methoxy-b-hydroxych...
- doi：
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10.1590/S0103-50532012000700007
- 作 者：
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Francisco M. de, Sou...
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- 期刊编号：
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- 期刊标题：
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Journal of the Brazilian Chemical Society
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On endomorphisms of groups of orders 37–47
- 摘要：
- It is proved that the finite groups of orders 37芒鈧€?7 are determined by their endomorphism monoids ...
- doi：
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10.3176/proc.2017.2.04
- 作 者：
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Peeter Puusemp;Alar ...
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Proceedings of the Estonian Academy of Sciences
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Cyclic voltammetric behaviour of dimensionally stable anodes in the presence of C1 - C3 aldehydes
- 摘要：
- This work describes the cyclic voltammetry study of three aliphatic aldehydes: formaldehyde, acetald...
- doi：
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10.1590/S0103-50532003000400023
- 作 者：
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Universidade de São ...
- 作者机构：
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- 期刊编号：
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- 期刊标题：
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Journal of the Brazilian Chemical Society
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Sulfadiazine determination in pharmaceuticals by electrochemical reduction on a glassy carbon electrode
- 摘要：
- Sulfadiazine was quantified in two samples of pharmaceutical preparations by square-wave voltammetry...
- doi：
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10.1590/S0103-50532010000500008
- 作 者：
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Campestrini, Iolana;...
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- 期刊编号：
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- 期刊标题：
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Journal of the Brazilian Chemical Society
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Indium(III)-catalyzed synthesis of N-substituted pyrroles under solvent-free conditions
- 摘要：
- A variety of N-substituted pyrroles have been synthesized by reacting 纬-diketones (R1C(O)CH2CH2C(O)R...
- doi：
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10.1590/S0103-50532008000500011
- 作 者：
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Wenzhou University, ...
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- 期刊编号：
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- 期刊标题：
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Journal of the Brazilian Chemical Society
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Determination of nitrate in lettuce by ion chromatography after microwave water extraction
- 摘要：
- Lettuce is worldwideknown as the most important vegetable. In this context, most farmers are searchi...
- doi：
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10.1590/S0100-40422009000600049
- 作 者：
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Pérez, Daniel Vidal;...
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- 期刊标题：
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Quimica nova
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Reverse saturable absorption in 5,10,15,20-Tetra(4-pyridyl)-21H,23H-porphyrin with ruthenium outlying complexes
- 摘要：
- Investigations on the excited state absorption signal of 5,10,15,20-tetra(4-pyridyl)-21H,23H-porphyr...
- doi：
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10.1590/S0103-50532006000700027
- 作 者：
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Dinelli, Luis R.;Bat...
- 作者机构：
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- 期刊编号：
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- 期刊标题：
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Journal of the Brazilian Chemical Society
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Electrolytic removal of metals using a flow-through cell with a reticulated vitreous carbon cathode
- 摘要：
- The quality of water resources and of the environment in general is a permanent concern and has resu...
- doi：
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10.1590/S0103-50531997000500009
- 作 者：
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Bertazzoli, Rodnei;W...
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- 期刊编号：
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- 期刊标题：
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Journal of the Brazilian Chemical Society
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Gunshot residues: screening analysis by laser-induced breakdown spectroscopy
- 摘要：
- Laser induced breakdown spectroscopy (LIBS) is further developed for the detection of gunshot residu...
- doi：
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10.1590/S0103-50532009001000017
- 作 者：
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Paim, Ana Paula S.;U...
- 作者机构：
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- 期刊编号：
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- 期刊标题：
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Journal of the Brazilian Chemical Society
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Activated petroleum coke for natural gas storage
- 摘要：
- Activated Carbons (AC) are characterized by high specific surface area and high pore volume. They ar...
- doi：
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10.1590/S0103-50532006000600011
- 作 者：
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Universidade Metodis...
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- 期刊编号：
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- 期刊标题：
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Journal of the Brazilian Chemical Society
