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Carbon paste electrodes modified with humic acids: study and determination of metals in aqueous solution
- 摘要：
- Since 1992, the carbon paste electrodes modified with humic acids have been used for studying the be...
- doi：
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10.1590/S0100-40422004000600022
- 作 者：
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Rezende, Maria Olímp...
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Química Nova
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Irradiation of polymers using electron beams: characterization of positive ions through the time-of-flight technique
- 摘要：
- With the aim of studying the interaction of fast electrons with solid surfaces we have developed an ...
- doi：
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10.1590/S0100-40422004000100027
- 作 者：
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Souza, Gerardo Gerso...
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Química Nova
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Volatile constituents from Brazil-wood flowers and leaves (Caesalpinia echinata, Lam.)
- 摘要：
- The volatile constituents obtained from a static cryogenic headspace of Caesalpinia echinata Lam. (L...
- doi：
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10.1590/S0100-40422004000300010
- 作 者：
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Rezende, Claudia M.;...
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- 期刊标题：
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Química Nova
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Modification of oils and fats by biotransformation
- 摘要：
- The oleochemical industry has a permanent interested in controlling the physical, functional and org...
- doi：
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10.1590/S0100-40422004000100025
- 作 者：
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Mendes, Adriano A.;F...
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- 期刊标题：
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Química Nova
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Internal energy dependence of the unimolecular dissociation channels of dimethyl ether
- 摘要：
- Internal energy dependence of the competitive unimolecular dissociation channels of dimethyl ether w...
- doi：
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10.1590/S0100-40422004000100008
- 作 者：
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Linnert, Harrald Vic...
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- 期刊标题：
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Química Nova
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Validation of the analytical methodology for evaluation of lapachol in solution by HPCL
- 摘要：
- Lapachol is a naphthoquinone found in several species of the Bignoniaceae family possessing mainly a...
- doi：
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10.1590/S0100-40422004000100026
- 作 者：
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Universidade Federal...
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- 期刊标题：
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Química Nova
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Employment of perovskite - type oxide in the propane and CO oxidations
- 摘要：
- Simultaneous oxidation/co-precipitation of an equimolar mixture of La(III) and Co(II) nitrates and L...
- doi：
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10.1590/S0100-40422004000100007
- 作 者：
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Universidade Estadua...
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- 期刊标题：
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Química Nova
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Microemulsions: structure and application as drug delivery systems
- 摘要：
- Depending on formula composition, microemulsions may be used as a vehicle for drug administration. I...
- doi：
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10.1590/S0100-40422004000100023
- 作 者：
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Correa, Marcos Anton...
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- 期刊标题：
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Química Nova
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Dopaminergic agents and erectile dysfunction treatment
- 摘要：
- The understanding of the scientific basis of the erectile function expanded rapidly the range of the...
- doi：
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10.1590/S0100-40422004000600020
- 作 者：
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Neves, Gilda;Rates, ...
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- 期刊标题：
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Química Nova
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Linus Pauling: why Vitamin C?
- 摘要：
- The overwhelming interest shown by Pauling in the last twenty years of his life on the use of daily ...
- doi：
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10.1590/S0100-40422004000200032
- 作 者：
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Universidade Federal...
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- 期刊标题：
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Química Nova
