Mössbauer spectroscopy in the characterization of ferrous compounds in soils and its relationship with phosphorus retention

期刊论文
摘要:
The chemical role of iron-bearing compounds on the dynamics of phosphorus in selected Brazilian lato...
doi:
10.1590/S0100-40422008000600035
作 者:
Embrapa Solos, Rio d...
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Química Nova

Determination of biodiesel percentage in biodiesel: diesel mixtures using mid-infrared spectroscopy

期刊论文
摘要:
Considered the best substitute for diesel, biodiesel can be blended with diesel in any ratio, bringi...
doi:
10.1590/S0100-40422008000200041
作 者:
Centro Federal de Ed...
作者机构:
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Química Nova

A thermogravimetric analysis of the combustion of a Brazilian mineral coal

期刊论文
摘要:
Knowledge of coal combustion kinetics is crucial for burner design. This work aims to contribute on ...
doi:
10.1590/S0100-40422008000100021
作 者:
Universidade de São ...
作者机构:
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Química Nova

Antiproliferative activity of Sloanea garckeana K. Schum.

期刊论文
摘要:
The crude methanol extract and hexane, ethyl acetate, chloroform and methanol fractions from leaves ...
doi:
10.1590/S0100-40422008000600016
作 者:
Oliveira, Cecília M....
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Química Nova

Evaluation of the retinol concentration in UHT milk commercialized in Natal, RN

期刊论文
摘要:
Deficiency of micronutrients is a public health problem. Cow milk is a source of retinol. The object...
doi:
10.1590/S0100-40422008000200014
作 者:
Universidade Federal...
作者机构:
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Química Nova

Multivariate spectroscopic determination of glucosamine and chondroitin in pharmaceutical formulations

期刊论文
摘要:
The objective of this study was to develop and validate an analytical method for quantification of g...
doi:
10.1590/S0100-40422008000600002
作 者:
Universidade Federal...
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Química Nova

Didactic experiment on gas chromatography: an environmental and analytical approach

期刊论文
摘要:
This paper describes an experiment to teach the principles of gas chromatography exploring the boili...
doi:
10.1590/S0100-40422008000800047
作 者:
Magalhães, Dulce;Uni...
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Química Nova

Assessment of fate and bioaccumulation of benzo(a)pirene by computer modeling

期刊论文
摘要:
The objective of this work was to evaluate the environmental distribution of benzo(a)pirene, a polyc...
doi:
10.1590/S0100-40422008000500028
作 者:
Martins, Raquel Fern...
作者机构:
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Química Nova

Synthesis, characterization and thermal analysis of lithium, sodium and potassium salts of the palmitic acid and its ethyl ester

期刊论文
摘要:
Alkaline salts of the palmitic acid were synthesized and characterized from aqueous and ethanolic me...
doi:
10.1590/S0100-40422008000700024
作 者:
Universidade de São ...
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Química Nova

Influence of precipitating agent in the preparation of hydrous niobium oxide by the method of homogeneous precipitation

期刊论文
摘要:
This work reports the preparation, characterization and study of the ion exchange behavior of hydrou...
doi:
10.1590/S0100-40422005000200016
作 者:
Silva, Maria Lúcia C...
作者机构:
期刊编号:
期刊标题:
Química Nova
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