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Solid sampling graphite furnace atomic absorption spectrometry: a review
- 摘要:
- This is a review of direct analysis using solid sampling graphite furnace atomic absorption spectrom...
- doi:
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10.1590/S0100-40422008000100022
- 作 者:
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Oliveira, Pedro Vito...
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- 期刊标题:
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Química Nova
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HPLC-ESI-MS/MS analysis of oxidized di-caffeoylquinic acids generated by metalloporphyrin-catalyzed reactions
- 摘要:
- This paper reports an HPLC-ESI-MS/MS investigation on the oxidation of 3,5- and 4,5- dicaffeoylquini...
- doi:
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10.1590/S0100-40422008000400011
- 作 者:
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Universidade de São ...
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- 期刊编号:
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- 期刊标题:
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Química Nova
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Principal applications of microwaves in production and refining of petroleum
- 摘要:
- Microwave irradiation offers a clean, inexpensive, and convenient method of heating, which is an alt...
- doi:
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10.1590/S0100-40422008000600046
- 作 者:
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Nele, Márcio;Egues, ...
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- 期刊标题:
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Química Nova
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Electrochemical behavior of N-nitrosothiazolidine carboxilic acid on gold and mercury electrodes
- 摘要:
- The electrochemical behavior of N-nitrosothiazolidine carboxylic acid (NTAC) on gold and hanging mer...
- doi:
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10.1590/S0100-40422008000500023
- 作 者:
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Codognoto, Lucia;Uni...
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- 期刊编号:
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- 期刊标题:
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Química Nova
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Hydrometallurgical route to recover molybdenum, nickel, cobalt and aluminum from spent hydrotreating catalysts in acid medium
- 摘要:
- This work describes a hydrometallurgical route for processing spent commercial catalysts (CoMo and N...
- doi:
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10.1590/S0100-40422008000300036
- 作 者:
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Afonso, Julio Carlos...
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- 期刊编号:
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- 期刊标题:
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Química Nova
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Sampling of particulate matter and of the volatile organic fraction of emissions from a diesel cycle engine without the use of dilution tunnel
- 摘要:
- Using a sampling method of particulate matter (PM) without the use of a dilution tunnel allows for e...
- doi:
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10.1590/S0100-40422008000800021
- 作 者:
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Cataluña, Renato;Men...
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- 期刊编号:
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- 期刊标题:
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Química Nova
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Polyurethanes sintetized of polyols obtained from castor oil modified by transesterification with pentaerythritol
- 摘要:
- Castor oil was reacted by transesterification with various percentages in mass of pentaerythritol to...
- doi:
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10.1590/S0100-40422008000800031
- 作 者:
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Texas A&M University...
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- 期刊编号:
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- 期刊标题:
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Química Nova
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1,2- and 1,3-dihydroxylated and hydroxynitrogenated monoterpenes as chiral ligands in the asymmetric reformatsky reaction
- 摘要:
- This study describes the use of three (-)-a-pinene derivatives, one diol-1,2 [(-)-(1R, 2R, 3S, 5R)-2...
- doi:
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10.1590/S0100-40422008000400004
- 作 者:
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Universidade Federal...
- 作者机构:
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- 期刊编号:
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- 期刊标题:
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Química Nova
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Determination of humification degree of organic matter of an oxisol and of its organo-mineral fractions
- 摘要:
- Laser-induced fluorescence spectroscopy was used to determine the humification degree of the organic...
- doi:
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10.1590/S0100-40422008000800015
- 作 者:
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Leite, Wellington Cl...
- 作者机构:
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- 期刊编号:
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- 期刊标题:
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Química Nova
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Dipole-dipole operator in angular momentum basis: a complementary study in nuclear magnetic resonance
- 摘要:
- The relationship between the magnetic dipole-dipole potential energy function and its quantum analog...
- doi:
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10.1590/S0100-40422008000500021
- 作 者:
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Braga, João Pedro;Un...
- 作者机构:
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- 期刊编号:
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- 期刊标题:
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Química Nova