J. Braz. Chem. Soc. vol.20 número10

The effect of different parameters like pH, concentration of malachite green, reductants, amount of semiconductor and light intensity on the rate of

A convenient procedure by means of oscillating chemical system as an analytical tool to determine the L-aspartic acid (L-Asp) is proposed.. The system involves

From the results obtained here, the deterioration of copper in presence of propionic acid vapors can be explained through the following mechanism: The irst

The aim of the present study was to optimize the conditions for the extraction of hexanal, pentanal and malonaldehyde from chicken meat using SPME technique as

Thus, this paper has three-fold objectives: conduct an exploratory evaluation on some bioactive chemical constituents, as ascorbic acid, phenolic compounds, total lavonoids

A Zeolite modiied carbon paste electrode doped with iron(III) was used as a highly sensitive and selective electrochemical sensor for simultaneous determination of minor

We here report the synthesis, characterization, anti- HIV activity, cytotoxicity in cell cultures and enzymatic stability of novel AZT derivatives (4-7), and of two known

Quantiication of Selenium Species in Petroleum Reinery Wastewaters using Ion Chromatography Coupled to Post-Column Isotope Dilution Analysis ICP-MS.. Ignacio García Alonso a