Studies on the characterization and stability of sediment samples from the Tietê...

Development of catalytic methods for determination of sulphur dioxide in the env...

Partial on-line chemical dissolution of stainless steel followed by determination...

Evaluation of methodology of sampling and analysis of solvents in the air in the...

Determination of carbon dioxide by potenciometric titration (GRAN) after absorption...

Critical study of the equilibrium on the cobalt(II)/thiocianate system

Determinação simultânea de manganês/selênio e cobre/zinco em soro sangüíneo por espectrometria...

Development of analytical methodology for the determination of biological marker...

Development and evaluation of cells for flow spectroelectrochemical system

Analytical procedures in multi elemental determinations of particles of atmospheric...