Preliminary Characterization of Clay Minerals from Four Typical Soils of Northeast China
JUAN Ying-hua1,2, WU Zhi-jie1, CHEN Li-jun1, WANG Ren2, GONG Liang2, BAO Hong-jing2, LIU Yan2
1. Institute of Applied Ecology，Chinese Academy of Sciences, Shenyang 110016, China 2. Institute of Environmental Resource and Agricultural Energy, Liaoning Academy of Agricultural Sciences, Shenyang 110161, China
Abstract：The black soil, albic soil, brown soil and cinnamon soil in Northeast China were selected as research objects, and their mineral characteristics were evaluated with Fourier transform infrared(FTIR) spectroscopy, X-ray diffraction spectroscopy(XRD), and scanning electron microscopy(SEM). The results showed that the mineral atlas of test soils were of montmorillonite type. Quartz was the main component of clay minerals in the four soils. Montmorillonite and high mountain stone had higher amounts in black soil and albic soil, and mica and high mountain stone were more in brown soil and cinnamon soil. Generally, the surface of mineral particles in black soil, brown soil and cinnamon soil seems to be of laminarization with significant un-uniformity, and compared with black soil, brown soil and cinnamon soil had more smooth surface. In contrast, the mineral particles in albic soil had distinct profile and smooth surface with some interstice. It was indicated that the components and characteristics of soil clay minerals could be analyzed by soil spectroscopy, and the related information to be obtained could be accurate and available.
Key words：Clay minerals;Fourier transform infrared spectroscopy;X-ray diffraction spectroscopy;Scanning electron microscopy
隽英华1,2，武志杰1，陈利军1，汪 仁2，宫 亮2，包红静2，刘 艳2 . 东北4种典型土壤粘粒矿物的初步表征[J]. 光谱学与光谱分析, 2010, 30(07): 1918-1921.
JUAN Ying-hua1,2, WU Zhi-jie1, CHEN Li-jun1, WANG Ren2, GONG Liang2, BAO Hong-jing2, LIU Yan2 . Preliminary Characterization of Clay Minerals from Four Typical Soils of Northeast China . SPECTROSCOPY AND SPECTRAL ANALYSIS, 2010, 30(07): 1918-1921.
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