Pedosphere 6(3): 193--200, 1996
ISSN 1002-0160/CN 32-1315/P
©1996 Soil Science Society of China
Published by Elsevier B.V. and Science Press
| Goethite morphologies of some soils in south of central China |
| LIU Fan, XU Feng-Lin, LI Xue-Yuan and HE Hui |
| Huazhong Agricultural Ursiversity, Wuhan 430070 (China) |
| ABSTRACT |
| The morphologies of goethites in latosol, red soils, yellow-brown soil and the paddy soils developed from red soils were studied in comparison with the morphology of synthetic goethite by means of the X-ray diffraction, transmission electron microscopy and energy dispersive X-ray analysis. The synthetic goethite displayed acicular particles elongated in the c-direction. The goethites in the latosol, red soils and yellow-brown soil were platy particles stretched in two directions or isodimensional particles, and those in the paddy soils from red soils were acicular, short columnar, platy or isodimensional particles. Various morphologies of the goethites probably suggested their different dominant crystal faces, surface charge distribution and surface adsorption characteristics. |
| Key Words: goethites, morphology, soils, surface adsorption, surface charge |
| Citation: Liu, F., Xu, F. L., Li, X. Y. and He, H. 1996. Goethite morphologies of some soils in south of central China. Pedosphere. 6(3): 193-200. |
| |
|
View Full Text
|
|
|
|
