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Environ Geochem Health. 2009 Aug;31(4):475-85. doi: 10.1007/s10653-008-9200-y. Epub 2008 Aug 3.

Characterization of Santa Catarina (Brazil) coal with respect to human health and environmental concerns.

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  • 1Departmento de Química Orgánica, Facultad de Quiímica, Universidad de Santiago de Compostela, Santiago de Compostela, Spain.


The current paper presents the concentration, distribution, and modes of occurrence of trace elements of 13 coals from south Brazil. The samples were collected in the state of Santa Catarina. Chemical analyses and the high ash yields indicate that all studied coals are rich in mineral matter, with SiO(2) and Al(2)O(3) dominating as determined by inductively coupled plasma-atomic emission spectrometry (ICP-AES). Quartz is the main mineral species and is associated with minor levels of feldspars, kaolinite, hematite, and iron-rich carbonates. The contents of trace elements, including As, Pb, Cd, Ni, Cr, Mn, Be, V, U, Zn, Li, Cu, Tl, and Ni, in coals were determined. A comparison of ranges and means of elemental concentrations in Santa Catarina, Brazil, and world coals shows that the ranges of most elements in Santa Catarina coal are very close to the usual worldwide concentration ranges in coal.

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