Dosagem de chumbo em pequenas quantidades nos minerais

Authors

  • Jeanníne Odette Cassedanne UFRJ; Instituto de Geociências
  • Hamílcar Freire de Carvalho UFRJ; Instituto de Geociências

DOI:

https://doi.org/10.11137/1991_0_41-43

Abstract

This study describes a lead volumetric titration in minerals. Complexometric accumulation titrations are used and a previous lead separation as chloride is necessary. In the range of 10 to 50 mg of metal, a precision of 0,5 to 0,04% is reached, with a good reproductibility.

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Published

1991-12-01

Issue

Vol. 14 (1991)

Section

Article

License

This journal is licensed under a Creative Commons — Attribution 4.0 International — CC BY 4.0, which permits use, distribution and reproduction in any medium, provided the original work is properly cited.