Currently, environmental pollution by heavy metals is a global problem. Therefore, it is
crucial to develop effective detection techniques to determine the levels of heavy metal …

O presente trabalho apresenta uma abordagem simples e didática sobre conceitos
envolvidos nas técnicas voltamétricas, partindo de alguns princípios básicos de …

A constructed triphenylphosphine-modified carbon nanotube composite with a room
temperature ionic liquid as pasting binder was employed as a novel electrode for sensitive …

O presente artigo aborda a aplicação de metodologia de superfícies de resposta (MSR) na
otimização de variáveis para o desenvolvimento de métodos analíticos. Alguns princípios …

Abstract Nano-TiO 2 modified with 2-mercaptobenzothiazole (MBT) was investigated as a
new adsorbent for preconcentration of Cd (II), Cu (II) and Pb (II). The metal ions are …

This work reports the development of a simple, sensitive and low-cost electroanalytical
method for copper determination in aviation biokerosene using an electrode modified with a …

A new method of visualizing objects with distinct internal dynamics of the constituent
scattering particles embedded in a liquid multiple-scattering medium is presented. We report …

In this work it is proposed the one-voltammogram simultaneous determination of Cu (II), Pb
(II), Cd (II), Ni (II), Co (II), and Zn (II) at ppb and sub-ppb levels in bioethanol fuel samples by …

This article critically reviews the electroanalytical methods developed for the determination
of inorganic contaminants in automotive fuels. Topics include the methods applied to the …

In the present work, the simultaneous optimization of multiple responses was applied to the
optimization of the simultaneous determination of trace levels of Cd (II), Cu (II), Pb (II) and Zn …