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THE DETERMINATION OF CARBONATE CONTENT IN MARINE SEDIMENTS BY AUTOMATIC POTENTIOMETRIC TITRATOR
Author(s): SUN Hanjie1, 2, LI Tiegang1, YU Xinke1
Pages: 157-
162
Year: 2012
Issue:
5
Journal: Marine Geology & Quaternary Geology
Keyword: 深海沉积物; 碳酸盐含量; 自动电位滴定法;
Abstract: 基于容量法原理,探讨了海底沉积物中碳酸盐的自动电位滴定法,配合tiamo软件,自动计算并输出测定结果。该法简单快速,且可以批量测试,经深海沉积物等国家标准物质验证,结果与标准值相符。对同一样品进行7次测定,其结果的相对标准偏差小于0.9%。该方法应用于西菲律宾海岩心MD06-3050的部分样品,测试结果与ICP-OES方法得到的结果具有一致性,该方法再现性良好,准确可信。
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