Issue 1, 2003
From the journal:

Journal of Analytical Atomic Spectrometry

ICP-MS determination of Pt, Pd and Rh in airborne and road dust after tellurium coprecipitation

M. B. Gómez,a   M. M. Gómez*a  and  M. A. Palaciosa  

* Corresponding authors

a Departamento de Química Analítica, Facultad de CC. Químicas, Universidad Complutense de Madrid, 28040 Madrid, Spain
E-mail: mmgomez@quim.ucm.es
Fax: 34913944329

Abstract

A method has been developed for the simultaneous determination of Pd, Pt and Rh (PGE) in environmental airborne and road dust samples by tellurium coprecipitation and ICP-MS. The Te coprecipitation was applied after digestion of the sample with aqua regia–HF in a microwave oven. This separation method removes more than 95% of the elements producing mass interference in PGE determination by ICP-MS. The methodology was validated with reference road dust samples CW7 and CW8. The detection limits are 0.3, 0.6 and 0.8 pg m−3 for Pt, Pd and Rh in airborne particulate matter, and 1, 1 and 0.4 ng g−1 for Pt, Pd and Rh in road dust. Application of the isotopic dilution method for Pt and Pd after their coprecipitation improves the results obtained for road dust samples. Rh (monoisotopic element) analysis was carried out by external calibration after Te coprecipitation.

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Article information

DOI
https://doi.org/10.1039/B209727N
Article type
Technical Note
Submitted
03 Oct 2002
Accepted
07 Nov 2002
First published
20 Nov 2002

J. Anal. At. Spectrom., 2003,18, 80-83

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ICP-MS determination of Pt, Pd and Rh in airborne and road dust after tellurium coprecipitation

M. B. Gómez, M. M. Gómez and M. A. Palacios, J. Anal. At. Spectrom., 2003, 18, 80 DOI: 10.1039/B209727N

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