Concentrations of arsenic and four additional trace elements (Cu, Cr, Ni, and Zn) were
determined by inductively coupled plasma–optical emission spectrometry in the muscular …

Trindade is a remote island far from 1170 km of the Brazilian coast in the Atlantic Ocean,
between South America and South Africa. The island has great biodiversity and scientific …

The production of certified reference materials in Brazil, and the consequent availability to
national end users, is an important task for the enhancement of Metrology in Chemistry …

A Ilha da Trindade está localizada a aproximadamente 1150 km da costa de Vitória-ES, é
uma das ilhas oceânicas brasileiras e está sob o domínio da Marinha do Brasil. Desde o …

A região costeira do Brasil é historicamente impactada por atividades antrópicas, que
liberam contaminantes, como os metais pesados. Nos estuários de Paranaguá (PR) …

SUMÁRIO Índice de Figuras................................................................................................ v Índice
de Tabelas.............................................................................................. vii Índice de Abreviações e …

In this work a 2 3 factorial design was carried out aiming the multivariate optimization of
Instrumental Neutron Activation Analysis (INAA) for mass fraction determination of Co, Cr …

On January 2011, the mountainous region of Rio de Janeiro state was affected by a great
number of landslides. This event was called" Megadisaster". The occurrence of landslide …

The certified reference materials make an important role in the establishment of traceability
in analytical chemistry, ensuring reliability and accuracy to the measurements and are …

In this study optimization of procedures and standardization of Instrumental Neutron
Activation Analysis (INAA) methods were carried out for the determination of the elements …