为了弄清楚长江口底泥沉积物的物相成分,作者对长江口不同水域(即外高桥、小九段和白龙港)三种不同淤泥粉末样品,用X 射线衍射法,采用无标定量分析法,分别对它们的物相成分进行定量分析。实验结果说明,长江口三个不同水域淤泥的X 射线衍射图谱的d 值(即相邻两个衍射平面间的间距),都相 In order to clarify the phase composition of the sediments in the Changjiang Estuary, the authors used X-ray diffraction and three different types of sludge samples from different waters (ie Waigaoqiao, Xiaoguandai and Bailonggang) Analytical method, respectively, the quantitative analysis of their phase components. The experimental results show that the d values ​​(ie, the spacing between two adjacent diffraction planes) of the X-ray diffraction patterns of silt in three different waters in the Yangtze Estuary are all in phase