Issue 4, 2003
From the journal:

Journal of Environmental Monitoring

A new method for the detection of low levels of free fibres of chrysotile in contaminated soils by X-ray powder diffraction

G. Falini,a   E. Foresti,a   M. Gazzano,a   A. F. Gualtieri,b   I. G. Lesci,a   G. Pecchini,c   E. Rennac  and  N. Roveri*a  

* Corresponding authors

a Dipartimento di Chimica “G. Ciamician”, Alma Mater Studiorum Università di Bologna and ISOF-CNR, Via Selmi 2, 40126 Bologna, Italy
E-mail: roveri@ciam.unibo.it
Fax: +39 051 2099456
Tel: +39 051 2099486

b Dipartimento di Scienze della Terra, Università di Modena e Reggio Emilia, Via S. Eufemia 19, 41100 Modena, Italy

c ARPA Azienda Regionale per la Prevenzione e l′Ambiente, Sez. Provinciale di Reggio Emilia, Via Amendola 2, 42100 Reggio Emilia, Italy

Abstract

A new method for the determination of free fibres of chrysotile in contaminated soils is described. The detection limit of 0.5 wt‰ is reached by an enrichment process of the asbestos fraction of the sample using a standard laboratory elutriator for sedimentation analysis. The analysis of the enriched fraction is performed by X-ray powder diffraction using a conventional instrument. The procedure can be successfully applied to several soils of different nature throughout thermal treatment and removal of possible interferences due to some matrix components. This method is straightforward, routinized and has been especially developed to fulfil the request of public and private institutions for an appropriate quantitative determination of chrysotile free fibres in contaminated soils.

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Article information

DOI
https://doi.org/10.1039/B300328K
Article type
Paper
Submitted
10 Jan 2003
Accepted
18 Jun 2003
First published
30 Jun 2003

J. Environ. Monit., 2003,5, 654-660

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A new method for the detection of low levels of free fibres of chrysotile in contaminated soils by X-ray powder diffraction

G. Falini, E. Foresti, M. Gazzano, A. F. Gualtieri, I. G. Lesci, G. Pecchini, E. Renna and N. Roveri, J. Environ. Monit., 2003, 5, 654 DOI: 10.1039/B300328K

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