LIBROS DEL AUTOR: luiz d de lacerda

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  • Mercury from Gold and Silver Mining
    Luiz D.de Lacerda / Wim Salomons
    Due to its inherent characteristics, mercury contamination from gold mining is a major environmental problem compared to past mercury contamination from industrial point sources. The worsening of social-economical conditions and increasing gold prices in the late 1970s resulted in a new rush for gold by individual entrepreneurs for whom Hg amalgamatio...
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    66,91 €