Tensoactivity of humic acids from distinct environments

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doi:
10.1590/S0100-40422002000600005
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Debacher, Nito Ângel...
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Química Nova

Study of degradation of the herbicide 2,4- dichlorophenoxyacetic acid (2,4-d) by gamma radiation from cobalto- 60 in aqueous solution containing humic acid

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10.1590/S0100-40422002000400003
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Vieira, Eny Maria;Ca...
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Química Nova

Influence of the platform geometry on lead determination in zidovudine (AZT) by ET AAS

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10.1590/S0100-40422002000300008
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Coutada, Leonardo;Mo...
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Effect of ferric acetylacetonate catalyst concentration on the cure of polyurethane based on hydroxy terminated polybutadiene and isophorone diisocyanate

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10.1590/S0100-40422002000200009
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Centro Técnico Aeroe...
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Trends in amperometric electrodes modification for electroanalytical applications

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10.1590/S0100-40422002000600019
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Kubota, Lauro Tatsuo...
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Oxochloroalkoxide of the Cerium (IV) and Titanium (IV) as oxides precursor

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10.1590/S0100-40422002000600003
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Marins, Antonio Augu...
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Stationary phases for reversed phase high performance liquid chromatography (RP-HPLC) based on functionalized inorganic oxide surfaces

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10.1590/S0100-40422002000400017
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Collins, Kenneth E.;...
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Flow injection spectrophotometric determination of paracetamol (acetaminophen) in pharmaceutical formulations

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10.1590/S0100-40422002000300010
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Aniceto, Clezio;Univ...
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Vibrational spectroscopy: procedures for the calculation of the CO stretchings of carbonyl complexes and determination of their IR and Raman activity

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10.1590/S0100-40422002000400020
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Oliveira, Gelson Man...
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The impact of chromium on biological systems

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10.1590/S0100-40422002000400012
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Ferreira, Alba Denis...
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Química Nova
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