Interactive comment on “Effect of atmospheric organic complexation on iron-bearing dust solubility” by R. Paris and K. V. Desboeufs
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This paper focuses on the solubilization of Fe in dust resulting from the complexation of short chain (2-5) monoand di-carboxylic acids, as well as HULIS. The authors determine that small dicarboxylic acids increase the solubility of Fe, while monoprotic acids have little-to-no effect. The authors also report that this solubilization effect decreases as the carbon chain on the organic acid increases. The lack of correlation with Fe affinity leads to the conclusion that this is a reductive dissolution. The paper provides very interesting and useful data relating to how organics can play a role.
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Interactive comment on “Effect of atmospheric organic complexation on iron-bearing dust solubility” by R. Paris and K. V. Desboeufs
We thank Ryan Sullivan for his comment. We are aware to the need to precise the possibility to mixing between dust and organic compounds. The knowledge of this mixing is presented in the introduction of our previous paper Paris et al. (Atmos. Envir., 2011). We know of course his publications and the proposed papers, and some of them are cited in Paris et al. (2011). We had thought to save this ...
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Recent studies reported that the effect of organic complexation may be a potentially important process to be considered by models estimating atmospheric iron flux to the ocean. In this study, we investigated this process effect by a series of dissolution experiments on iron-bearing dust in the presence or the absence of various organic compounds (acetate, formate, oxalate, malonate, succinate, ...
متن کاملInteractive comment on “Effect of atmospheric organic complexation on iron-bearing dust solubility” by R. Paris and K. V. Desboeufs
lines 14-15 “ligand playing on dust iron solubility. . .” Suggested change: “ligand promoting dust iron dissolution. . .” Introduction, 3182, line 17 Remove “the” from “ promote the iron” Introduction, 3182, line 22 Replace “are” with “were” in “compounds are often” Introduction, 3182, lines 27-28 Rearrange sentence for clarity Suggested change: “The aim of this paper is to test the effect of p...
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Transport and mixing zone of desert dust and sulphate over Tropical Africa and the Atlantic Ocean region K. V. Desboeufs and G. Cautenet LISA, UMR 7583, Universités Paris 7 et 12, Créteil, France LaMP, UMR 6026, Université Clermont 2, Aubière, France Received: 5 November 2004 – Accepted: 24 February 2005 – Published: 1 August 2005 Correspondence to: K. V. Desboeufs ([email protected]....
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