摘要
对长江口水体固相物质的物相成分 ,作者首次采用改进的X射线粉末衍射超样本无标分析法取得了较好的分析结果。该方法对含量较高的物相具有较高的分析精度。研究表明 :长江口水体固相颗粒质中主要含有下列矿物成分 :石英、伊利石、绿泥石、蒙托石、钠长石、微斜长石、高岭石和方解石。在一些底质样品发现存在少量青铝闪石和磷钙锰石。长江口悬浮相中粘土矿物的含量 ,从吴淞口上游向下游有增加的趋势 ,而沉积相中的含量略有减少。长江口泥沙中的粘土矿物成分主要是伊利石、绿泥石、蒙托石、高岭石 ,其相对含量为伊利石 >蒙托石 >高岭石 >
The phase components of the suspended sediments and depositions in the Changjiang Estuary were determined using the X ray powder diffractometer. The X ray powder diffraction method without sparkling standards was modified for the phase analysis of the solid substances in the Changjiang Estuary and the computer program was designed in this work. The results showed that the major components of the sediments were α Quartz、Illite、Chlorite、Montmorillonite、Albite、Microcline、Kaolinite and Calcite. There are a few amount of Crossite and Fairfieldite found in some samples of the sediments. The sequence of the clay contents can be described as Illite > Chlorite > Montmorillonite > Kaolinite.
出处
《华东师范大学学报（自然科学版）》
CAS
CSCD
北大核心
2001年第1期77-83,共7页
Journal of East China Normal University(Natural Science)
