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Issue 9, 2009

Temperature effect on nickel release in ammonium citrate

Author affiliations

Abstract

Leaching in ammonium citrate has been extensively used to assess the fraction of water-soluble nickel compounds present in nickel producing and using workplace aerosols. Leaching in ammonium citrate according to the first step of the Zatka protocol was found to overestimate the water-soluble nickel fraction by more than ten-fold compared to synthetic lung fluid (37 °C), when nickel carbonate and subsulfide were present. These results suggest that exposure matrices based on this method should be reexamined. Leaching studies of refinery particles are needed to further clarify this important issue.

Graphical abstract: Temperature effect on nickel release in ammonium citrate

Article information


Submitted
08 May 2009
Accepted
06 Aug 2009
First published
14 Aug 2009

J. Environ. Monit., 2009,11, 1697-1699
Article type
Technical Note

Temperature effect on nickel release in ammonium citrate

A. R. Oller, D. Cappellini, R. G. Henderson and H. K. Bates, J. Environ. Monit., 2009, 11, 1697 DOI: 10.1039/B909157B

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