A comparative evaluation on the oxidative approaches for extraction of humic acids from low rank coal of Mukah, Sarawak
摘要：
Humic acid-based products are well marketed; nevertheless, these products remain unpopular in this r...
doi：
10.1590/S0103-50532007000100003
作 者：
Seng, Lau;Majri, Nor...
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Journal of the Brazilian Chemical Society
Simultaneous differential pulse voltammetric determination of L-dopa and carbidopa in pharmaceuticals using a carbon paste electrode modified with lead dioxide immobilized in a polyester resin
摘要：
A carbon paste electrode modified with lead dioxide immobilized in a polyester resin has been develo...
doi：
10.1590/S0103-50532007000400019
作 者：
Melo, Hélio Corrêa d...
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Journal of the Brazilian Chemical Society
Heavy metal partition in acid soils contaminated by coal power plant
摘要：
Metal partition coefficient (Kp) may vary by several orders of magnitude because of the different so...
doi：
10.1590/S0103-50532007000400024
作 者：
Flues, M.;Camargo, I...
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Journal of the Brazilian Chemical Society
A new environmental friendly clay catalyst for one-pot coiodination and epoxidation of alkenes
摘要：
The commercial Brazilian clay Bentonit Brasgel脗鈩?was characterized by chemical and textural analyses...
doi：
10.1590/S0103-50532007000800010
作 者：
Aguiar, Mônica R.M.P...
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Journal of the Brazilian Chemical Society
Analysis of ortho-cresol in urine by solid phase microextraction-capillary gas chromatography
摘要：
The object of the present study was the development of method for the determination of urinary ortho...
doi：
10.1590/S0103-50532007000500024
作 者：
Martins, Isarita;Siq...
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Journal of the Brazilian Chemical Society
Synthesis of organothioacrylonitriles and organoselenoacrylonitriles by reaction of 1-Halo-1-chalcogenoalkenes with CuCN
摘要：
Reaction of 1-halo-1-organothio or 1-halo-1-organoseleno alkenes with CuCN in NMP as solvent provide...
doi：
10.1590/S0103-50532007000800005
作 者：
Vieira, Adriano S.;S...
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Journal of the Brazilian Chemical Society
Synthesis and antifungal activity of new bis-gamma-lactones analogous to avenaciolide
摘要：
In a study of the antifungal activity of selected compounds as potentials agrochemicals, we have pre...
doi：
10.1590/S0103-50532007000200007
作 者：
Universidade Federal...
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期刊标题：
Journal of the Brazilian Chemical Society
Headspace microextraction of tin into an aqueous microdrop containing pd(II) and tributyl phosphate for its determination by ETAAS
摘要：
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doi：
10.1590/S0103-50532007000600007
作 者：
Rahimi, Akram;Lorest...
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期刊标题：
Journal of the Brazilian Chemical Society
A simple colorimetric method for the determination of carbofuran and its application in environmental and biological samples
摘要：
A simple spectrophotometric method based on the coupling of a carbamate pesticide, carbofuran (2, 3-...
doi：
10.1590/S0103-50532007000200014
作 者：
Pillai, Ajai K.;Tamr...
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期刊标题：
Journal of the Brazilian Chemical Society
Nucleation and growth mechanism of polycarbazole deposited by electrochemistry
摘要：
Polycarbazole (PCz) thin films have been deposited by electro-oxidation of carbazole in LiClO4 + anh...
doi：
10.1590/S0103-50532007000300017
作 者：
Ugalde, Lastenia;Uni...
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期刊标题：
Journal of the Brazilian Chemical Society
