Charge characteristics on the clay surface with interacting electric double layers
文献类型：期刊论文
| 作者 | Jiang, X; Zhou, JM; Zhu, MX; He, WX; Yu, GF |
| 刊名 | SOIL SCIENCE
 |
| 出版日期 | 2001-04-01 |
| 卷号 | 166期号:4页码:249-254 |
| 关键词 | potential distribution charge density clay colloid electric double layer anion negative adsorption |
| ISSN号 | 0038-075X |
| 通讯作者 | Jiang, X() |
| 英文摘要 | Potential distribution and charge density on the clay colloid surface with interacting double layers was solved numerically by computer using the anion negative adsorption equation. The results showed that the interacting degree of double layers affected not only the potential, Psi (d), at the midplane but also the potential Psi (delta) at the outer Helmholtz plane (OHP). The magnitude of Psi (d) increased remarkably as flat colloid particles approached each other at first and then remained almost constant at the distance of less than 70 Angstrom between two colloid particles. Therefore, it is more appropriate to use Psi (d)/Psi (delta) to describe the interacting degree of double layers than Psi (d) as in previous studies. When Psi (d)/Psi (delta) is smaller than 0.6-0.8, the surface charge density, sigma (delta), is almost unchanged with the increase of the interacting degree of electric double layers. When Psi (d)/Psi (delta) exceeds 0.6-0.8, Na+ in the diffuse layer may enter into OHP and neutralize the partial surface charge so as to lead to a reduction of the charge density at OHP. The results obtained in this paper are in good agreement with theoretical expectation. |
| 收录类别 | SCI |
| WOS研究方向 | Agriculture |
| WOS类目 | Soil Science |
| 语种 | 英语 |
| WOS记录号 | WOS:000168580200004 |
| 出版者 | LIPPINCOTT WILLIAMS & WILKINS |
| URI标识 | http://www.irgrid.ac.cn/handle/1471x/2559164 |
| 专题 | 南京土壤研究所 |
| 通讯作者 | Jiang, X |
| 作者单位 | Chinese Acad Sci, Inst Soil Sci, Dept Soil Environm Chem, Nanjing 210008, Peoples R China |
| 推荐引用方式 GB/T 7714 | Jiang, X,Zhou, JM,Zhu, MX,et al. Charge characteristics on the clay surface with interacting electric double layers[J]. SOIL SCIENCE,2001,166(4):249-254. |
| APA | Jiang, X,Zhou, JM,Zhu, MX,He, WX,&Yu, GF.(2001).Charge characteristics on the clay surface with interacting electric double layers.SOIL SCIENCE,166(4),249-254. |
| MLA | Jiang, X,et al."Charge characteristics on the clay surface with interacting electric double layers".SOIL SCIENCE 166.4(2001):249-254. |
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来源：南京土壤研究所
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