Demonstrating the fundamentals, potentialities and limitations of sequential injection analysis

期刊论文
摘要:
The sensitivity and accuracy of sequential injection methods are dependent on efficient overlapping ...
doi:
10.1590/S0100-40422008000300040
作 者:
Universidade de São ...
作者机构:
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Química Nova

Voltammetric determination of metals in waters and biological fluids using sample mineralization with ultraviolet radiation

期刊论文
摘要:
This work describes the optimization of pretreatment steps for the destruction of organic matter in ...
doi:
10.1590/S0100-40422008000600012
作 者:
Garcia, Solange C.;C...
作者机构:
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Química Nova

Determination of Cd and Pb in fuel ethanol by filter furnace electrothermal atomic absorption spectrometry

期刊论文
摘要:
A method was developed for quantification of Cd and Pb in ethanol fuel by filter furnace atomic abso...
doi:
10.1590/S0100-40422008000700005
作 者:
Universidade Federal...
作者机构:
期刊编号:
期刊标题:
Química Nova

Geochemical characterization and classification of Cuban asphaltites

期刊论文
摘要:
Traditional biomarker parameters and aromatic compounds were applied to characterize and classify te...
doi:
10.1590/S0100-40422008000600011
作 者:
Guzzo, Jarbas Vicent...
作者机构:
期刊编号:
期刊标题:
Química Nova

Study of lead behaviour in Brazillian latosoils treated with phosphates: contributions to the remediation of contaminated sites

期刊论文
摘要:
Phosphates have been used for lead immobilization in soils but the influence of soil type is not ful...
doi:
10.1590/S0100-40422008000300022
作 者:
Mavropoulos, Elena;R...
作者机构:
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Química Nova

The polymorphs of calcium carbonate: an easy synthesis of aragonite

期刊论文
摘要:
Aragonite is a metastable polymorph of calcium carbonate. The calcareous exoskeletons of some organi...
doi:
10.1590/S0100-40422008000100032
作 者:
Universidade de Bras...
作者机构:
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Química Nova

Renovação do Qualis: exemplo da química

期刊论文
摘要:
doi:
10.1590/S0100-40422008000600001
作 者:
UFRGS;Dias, Luiz Car...
作者机构:
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期刊标题:
Química Nova

Teaching chemistry at the Higher School of Agriculture "São Bento", Olinda - São Lourenço da Mata - Pernambuco (1912-1936)

期刊论文
摘要:
The present work proposes the investigation of the role of chemistry in the curriculum of the Higher...
doi:
10.1590/S0100-40422008000300041
作 者:
Almeida, Argus Vasco...
作者机构:
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Química Nova

Chemical constituents of Ipomoea subincana Meisn. (Convolvulaceae)

期刊论文
摘要:
The chloroform extract of aerial parts of Ipomoea subincana was submitted to different chromatograph...
doi:
10.1590/S0100-40422008000400007
作 者:
David, Juceni P.;Reg...
作者机构:
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期刊标题:
Química Nova

Foliar analyses of biochemical parameters of Licania tomentosa (Benth.) and Bauhinia forficata (Link.) species for air quality assessment

期刊论文
摘要:
Foliar analysis of biochemical parameters were carried out in order to investigate the influence of ...
doi:
10.1590/S0100-40422008000800002
作 者:
Reis Júnior, Neyval ...
作者机构:
期刊编号:
期刊标题:
Química Nova
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