Background

In the Amazon, mercury is considered one of the region main contaminants because is utilized in mines, being part of the gold amalgamation This operation consists of the connection of mercury with another metal, or the separation of gold and ganga's silver, through mercury. (Au-Hg) process. Where a quantity of metallic mercury (Hg0) is released upon rivers and soils by the handling in insecure situations , and through the outdoor burning process, where there is a release of the element's vapor to the atmosphere, practices that cause the aquatic ecosystem contamination.