| 沉积物中水溶性天然有机物吸着系数的动态测定 |
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| 引用本文： | 林滨 陶澍. 沉积物中水溶性天然有机物吸着系数的动态测定[J]. 地理科学, 1996, 16(2): 164-169 |
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| 作者姓名： | 林滨 陶澍 |
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| 作者单位： | 北京大学城市与环境学系 北京100871 |
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| 基金项目： | 国家自然科学基金资助项目 |
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| 摘 要： | 探讨了直接测定沉积物中水溶性天然有机物吸着系数的可行性，提出了改变水土比和连续提取两种动态测定方法，从理论上分析了两种方法的操作误差，结果表明，这两种方法均能同时测定样品中水溶性有机物的含量和吸着系数；改变水土比法明显优于连续提取法，用该方法测定了伊春河沉积物样品中水溶性有机物的含量与吸着系数。
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| 关 键 词： | 沉积物 水溶性 天然有机物 吸着系数 动态测定 |
DETERMINATION OF SORPTION COEFFICIENT OF WATER-SOLUBLE ORGANIC MATTER IN SEDIMENT |
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| Lin Bin Tao Shu. DETERMINATION OF SORPTION COEFFICIENT OF WATER-SOLUBLE ORGANIC MATTER IN SEDIMENT[J]. Scientia Geographica Sinica, 1996, 16(2): 164-169 |
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| Authors: | Lin Bin Tao Shu |
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| Abstract: | Two procedures of Multiple Solid-Water Ratio(MSWR) and Sequential Extraction (SE) for determination of sorption coefficients of water-soluble organic matter in river sediment were proposed. The operational feasibility of the procedures and the procedural errors were analyzed. It was demonstrated that the MSWR method is favored over the SE method due to its operational easiness and relatively high accuracy. The content and the sorption coefficient of water-soluble organic matter of a sediment collected from the Yichun River determined with MSWR procedure are 0. 247 mg/l and 0. 0045 l/g respec-tively. |
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| Keywords: | Sorption coefficient Water-soluble organic matter Multiple Solid-Water Ratio Sequential Extraction Dynamic determination |
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