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研究了柱流速和有机物对固相萃取富集水中痕量金属的影响,并比较了两种样品处理方式,发现MAD~(21)SPE的准确度和精确度均超过了传统的螯合-溶剂萃取。
The effect of column flow rate and organic matter on the enrichment of trace metals in water by solid-phase extraction was studied. The comparison of two sample processing methods showed that the accuracy and precision of MAD 21 SPE surpassed the traditional chelating-solvent extraction.