NUCLEAR MAGNETIC RESONANCE OF ORGANOFLUORINE COMPOUNDS: A CHALLENGE IN THE TEACHING OF SPECTROSCOPY

期刊论文
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doi:
10.5935/0100-4042.20150139
作 者:
Lião, Luciano Morais...
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Quimica nova

Characterization and catalytic performance of potassium loaded on rice husk silica and zeolite nay for transesterification of jatropha seed oil

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摘要:
Rice husk silica (RHS) and NaY were used as supports for potassium (K) prepared from acetate buffer ...
doi:
10.1590/S0100-40422013000800007
作 者:
Sophiphun, Onsulang;...
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Quimica nova

Synthesis, characterization and thermal behavior of rare earth amidosulfonates

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摘要:
Hydrated compounds prepared in aqueous solution by reaction between amidosulfonic acid [H3NSO3] and ...
doi:
10.1590/S0100-40422013000300013
作 者:
Nunes, Ronaldo Spezi...
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Quimica nova

Stability of a nanofiltration membrane after contact with a low-level liquid radioactive waste

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摘要:
This study investigated the treatment of a liquid radioactive waste containing uranium (235U + 238U)...
doi:
10.1590/S0100-40422013000900026
作 者:
Barbosa, Celina Când...
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Quimica nova

Kinetic modeling of the biosorption of Cd2+ ions from aqueous solutions onto Eichhornia crassipes roots using potentiometry: low-cost alternative to conventional methods

期刊论文
摘要:
This work presents the use of potentiometric measurements for kinetic studies of biosorption of Cd2+...
doi:
10.1590/S0100-40422013000800022
作 者:
Martínez-Sánchez, Ca...
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Quimica nova

Nitrous oxide emissions from the aeration tank of a wastewater treatment plant with conventional activated sludge process

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摘要:
Nitrous oxide (N2O)emissions were measured monthly from January to June 2010 in the aeration tankof ...
doi:
10.1590/S0100-40422013000700013
作 者:
Oliveira, Jaime L. M...
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Quimica nova

Electron paramagnetic resonance (EPR) spectral components of spin-labeled lipids in saturated phospholipid bilayers: effect of cholesterol

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摘要:
Electron paramagnetic resonance (EPR) spectroscopy was used to study the main structural accommodati...
doi:
10.1590/S0100-40422013000600013
作 者:
Camargos, Heverton S...
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Quimica nova

Screening of organic supports and activation protocols for immobilization and stabilization of lipase from Thermomyces lanuginosus

期刊论文
摘要:
Lipase from Thermomyces lanuginosus was covalently immobilized on activated poly-hydroxybutyrate, su...
doi:
10.1590/S0100-40422013000200008
作 者:
Giordano, Raquel de ...
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Quimica nova

Exploring teachers' perceptions on visualization resources in chemistry teaching

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摘要:
Taking into account the requirements for the teaching of chemistry, several visualization resources ...
doi:
10.1590/S0100-40422013000800025
作 者:
Vasconcelos, Flávia ...
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Quimica nova

Study of resolution enhancement methods for analysis of secondary structure of proteins by FTIR

期刊论文
摘要:
doi:
10.1590/S0100-40421998000200008
作 者:
Colnago, Luiz A.;For...
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Quimica nova
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