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采用等离子质谱法研究了稀土在珠江广州江段水体各要素中的含量、分布模式及赋存形态。结果表明，稀土在河水中以悬浮态为主。西、北江沉积物或悬浮物中稀土含量基本一致，而东江沉积物稀土明显高于西、北江，其分布模式属花岗岩的风化产物。与我国不同地带河流沉积物比较，稀土分布顺序为珠江＞长江＞松花江。沉积物与悬浮物中各稀土元素５种赋存形态分布比例均为残渣态有机态、铁锰氧化物态＞碳酸盐态可交换态。
The contents, distribution patterns and occurrence patterns of rare earth elements in the water of the Guangzhou section of the Pearl River were studied by plasma mass spectrometry. The results show that rare earth is mainly suspended in river water. The contents of rare earth in the sediments and suspended matter in the West and North Rivers are basically the same, while the rare earths in the sediments of the Dongjiang River are obviously higher than those in the West and North Rivers. The distribution pattern of the rare earths is the weathering product of granite. Compared with the river sediments in different areas of China, the sequence of rare earth distribution is Pearl River> Yangtze River> Songhua River. The distribution patterns of five kinds of rare earth elements in sediment and suspended matter are residual state organic matter, Fe-Mn oxide state> carbonate state exchangeable state.