Open AccessDosagem de chumbo em pequenas quantidades nos minerais
Author(s) -
J. P. Cassedanne,
H. F. de Carvalho
Publication year - 1991
Publication title -
anuário do instituto de geociências
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.202
H-Index - 12
eISSN - 1982-3908
pISSN - 0101-9759
DOI - 10.11137/1991_0_41-43
Subject(s) - complexometric titration , chemistry , titration , nuclear chemistry , analytical chemistry (journal) , inorganic chemistry , environmental chemistry
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.