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REVISTA DE CHIMIE
Cite as: Rev. Chim.
https://doi.org/10.37358/Rev.Chim.1949

OSIM Nr. R102355
ISSN Online 2668-8212
ISSN Print: 1582-9049
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Revista de Chimie (Rev. Chim.), Year 2014, Volume 65, Issue 9,





LUMINITA AGOROAEI, NELA BIBIRE, MIHAI APOSTU, MONICA STRUGARU, IOANA GRIGORIU, ELENA BUTNARU
Content of Heavy Metals in Tobacco of Commonly
Smoked Cigarettes in Romania

Abstract:

The composition of tobacco, as well as tobacco smoke, is complex, gathering a large number of substances with major toxicological implications, many incompletely studied. Among the toxics present in both tobacco and tobacco smoke, heavy metals are included. The paper presents the results of a study on content in six heavy metals, Cd, Pb, Cr, Ni, Cu and Zn, in tobacco of 15 varieties of cigarettes commonly smoked in Romania. The metals were determined through atomic absorbtion spectrophotometry, after heated mineralization with nitric acid. The results are expressed in µg/g tobacco dried at 105oC. The concentrations range in the intervals: Cd: 0.71-1.58; Pb: 2.26-5.18; Cr: 1.85-7.01; Ni: 0.74-1.09; Cu: 6.90-14.21; Zn: 1.21-5.47. The study confirms the ability of tobacco plant to retain heavy metals into the leaves. Keywords: tobacco, cigarettes, heavy metals, atomic absorbtion spectrophotometry

Issue: 2014, Volume 65, Issue 9
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