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Electrokinetic potentials of mineral oxides and calcium carbonate in artificial seawater
Kosmulski, M.; Maczka, E.; Marczewska-Boczkowska, K.; Rosenholm, J.B. (2003). Electrokinetic potentials of mineral oxides and calcium carbonate in artificial seawater. Mar. Pollut. Bull. 46: 102-122
In: Marine Pollution Bulletin. Macmillan: London. ISSN 0025-326X, more
Peer reviewed article  

Available in Authors 

Keyword
    Marine

Authors  Top 
  • Kosmulski, M.
  • Maczka, E.
  • Marczewska-Boczkowska, K.
  • Rosenholm, J.B.

Abstract
    Electroacoustic method was used to measure the f potentials of mineral oxides and calcium carbonate in artificial sea water (pH 8), and the following values were obtained: synthetic hematite: 0.87 mV; goethite: 1.01 mV; fumed silica:) 3.56 mV; quartz:) 1.38 mV; calcium carbonate: 1.91 mV. The absolute values of the f potentials obtained in the present study are substantially lower than the f potentials in seawater reported by other authors. Our results indicate that the effect of electrostatic repulsion in the interactions between the particles of these materials in seawater is negligible.

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