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  • A study of the routes of contamination by lead and cadmium in Santo Amaro, Brazil: a response to the comments of Andrade Lima.

A study of the routes of contamination by lead and cadmium in Santo Amaro, Brazil: a response to the comments of Andrade Lima.

Environmental technology (2014-02-18)
Sandro Machado, Miriam de Fátima Carvalho, Gustavo Magna, Roberto Portella
ABSTRACT

This text is part of the discussion about the case of contamination by heavy metals in Santo Amaro, Brazil and the routes of contamination still active in the city. It is presented the point of view of the authors about the questions raised in the text of Prof. Andrade Pinho, presented in this journal issue, as well as the replies considered pertinent by the authors.

MATERIALS
Product Number
Brand
Product Description

Sigma-Aldrich
Lead, shot, <2 mm, 99.9% trace metals basis
Sigma-Aldrich
Lead, powder, −100 mesh, 99.95% trace metals basis
Sigma-Aldrich
Lead, shot, 1-3 mm, 99.995% trace metals basis
Sigma-Aldrich
Cadmium, granular, 30-80 mesh, ≥99%
Sigma-Aldrich
Lead, powder, −325 mesh, ≥99% trace metals basis
Sigma-Aldrich
Cadmium, powder, −100 mesh, 99.5% trace metals basis
Sigma-Aldrich
Cadmium, shot, 3 mm, 99.999% trace metals basis
Sigma-Aldrich
Cadmium, granular, ≥99%, 5-20 mesh