SUN Hanjie, LI Tiegang, YU Xinke. THE DETERMINATION OF CARBONATE CONTENT IN MARINE SEDIMENTS BY AUTOMATIC POTENTIOMETRIC TITRATOR[J]. Marine Geology & Quaternary Geology, 2012, 32(5): 157-162. DOI: 10.3724/SP.J.1140.2012.05157
Citation: SUN Hanjie, LI Tiegang, YU Xinke. THE DETERMINATION OF CARBONATE CONTENT IN MARINE SEDIMENTS BY AUTOMATIC POTENTIOMETRIC TITRATOR[J]. Marine Geology & Quaternary Geology, 2012, 32(5): 157-162. DOI: 10.3724/SP.J.1140.2012.05157
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THE DETERMINATION OF CARBONATE CONTENT IN MARINE SEDIMENTS BY AUTOMATIC POTENTIOMETRIC TITRATOR

  • 1 Key Laboratory of Marine Geology and Environment, Institute of Oceanology, Chinese Academy of Sciences, Qingdao, 266071;

  • 2 Graduate University of Chinese Academy of Sciences, Beijing, 100049

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  • Received Date: May 26, 2011
  • Revised Date: August 30, 2011
    Graphical Abstract
    • Abstract
  • Based on the volumetric method, the determination of carbonate content in marine sediment was carried out by automatic potentiometric titrator with related software-tiamo, which can export the results automatically. This method is simple and rapid for batch measurement. The results were consistent with standards defined by the National Standard Reference of Deep-Sea Sediment. Seven independent determinations were measured for the same sample, and the standard deviation of the results was less than 0.9%. Several samples of sediment core MD06-3050 were used to measure carbonate content by automatic potentiometric titrator and ICP-OES. The results of two methods were consistent.
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    • References (11)
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