Homemade construction of a lead(II) ion selective electrode: an alternative to experimental subjects

期刊论文
摘要:
This works proposesa homemade construction of a lead(II) ISE of solid membrane (Ag2S/PbS)to determin...
doi:
10.1590/S0100-40422009000400039
作 者:
Alcanfor, Silvia Kel...
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Quimica nova

Biodegradation of toluene and fish oil in impacted soil using chemical and biological surfactants

期刊论文
摘要:
The process of biodegradation of soils contaminated by animal (raw fish oil) and mineral (toluene) o...
doi:
10.1590/S0100-40422009000200024
作 者:
Cerqueira, Vanessa S...
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Quimica nova

The behavior of hexazinone herbicide in recharge zone of Guarani aquifer with sugarcane cultivated area

期刊论文
摘要:
S茫o Paulo state (Brazil) has an important area of sugarcane production, mainly for obtaining alcohol...
doi:
10.1590/S0100-40422009000200020
作 者:
Gomes, Marco A. F.;R...
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Quimica nova

Biomass and energy

期刊论文
摘要:
Biomass was the dominating source of energyfor human activities until the middle 19th century, when ...
doi:
10.1590/S0100-40422009000300004
作 者:
Goldemberg, José
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Quimica nova

Seasonal variation of the composition of essential oil from Myrcia salzmannii Berg. (Myrtaceae)

期刊论文
摘要:
This work reportthe seasonal variation of composition of the volatile oils from leaves and fromflowe...
doi:
10.1590/S0100-40422009000600035
作 者:
Cerqueira, Martins D...
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Quimica nova

Matrix effect in pesticide quantification by gas chromatography

期刊论文
摘要:
The lack of accuracyof a chromatographic method can be associated with the matrix effect. This effec...
doi:
10.1590/S0100-40422009000400030
作 者:
Silvério, Flaviano O...
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Quimica nova

Analytical performance of contractor laboratories in the determination of metals in water

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摘要:
Analytical laboratoriesare expected to produce reliable results. Decision makers are guided in their...
doi:
10.1590/S0100-40422009000400044
作 者:
Jardim, Wilson F.;So...
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Quimica nova

Cyclopentenyl acids from sapucainha oil (Carpotroche brasiliensis Endl, Flacourtiaceae): the first antileprotic used in Brazil

期刊论文
摘要:
The chaoolmugra oil is one of the oldest medicines used for leprosy until the development of sulfas....
doi:
10.1590/S0100-40422009000100027
作 者:
Lima, Josélia A.;Rez...
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Quimica nova

Immobilization of laccase in microparticles of chitosan obtained by spray drying and used in the biosensors construction

期刊论文
摘要:
Biosensors based on laccase immobilized on microparticles of chitosan crosslinked with tripolyphosph...
doi:
10.1590/S0100-40422009000500021
作 者:
Fernandes, Suellen C...
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Quimica nova

Solid-state biosurfactant production by Aspergillus fumigatus using agricultural residues as substrate

期刊论文
摘要:
The objective of this study was to investigate biosurfactant production in solid state by Aspergillu...
doi:
10.1590/S0100-40422009000200005
作 者:
Bertolin, Telma Elit...
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Quimica nova
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