To separate and evaluate heavy metal fractions properly, the proposed sequential extraction method was optimized by single extraction procedure.

采用单一萃取程序对建立的重金属形态连续萃取方法的萃取条件进行优化。

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Sequential extraction procedure was used for the extraction of the vertical of phosphorus form in the sediment of the Fuzhou West Lake.

采用化学连续提取法对福州西湖两个柱状沉积物样品中垂向不同形态磷进行分级提取分析。

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A Sequential extraction procedure was used for the extraction of the vertical of phosphorus form in the sediment of the Fuzhou West Lake.

采用化学连续提取法对福州西湖两个柱状沉积物样品中垂向不同形态磷进行分级提取分析。

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