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Issue 9, 2009
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Temperature effect on nickel release in ammonium citrate

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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

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Publication details

The article was received on 08 May 2009, accepted on 06 Aug 2009 and first published on 14 Aug 2009

Article type: Technical Note
DOI: 10.1039/B909157B
J. Environ. Monit., 2009,11, 1697-1699

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    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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