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OALib Journal期刊
ISSN: 2333-9721
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离心式微流控固相萃取光盘的研制及其在铬价态分析中的应用
, PP. 1523-1527
Keywords: 离心式微流控,固相萃取,电感耦合等离子体质谱,铬,价态分析
Abstract:
本实验设计了由5层结构组成的离心式微流控光盘,研究了在光盘上制备固相萃取柱的方法,并将其应用于Cr(Ⅲ)与Cr(Ⅵ)的分离,ICP-MS法检测总Cr与未被固相萃取柱吸附的Cr(Ⅵ)含量,从而计算溶液中Cr(Ⅵ)含量。该光盘可同时处理8个样品,样品预处理快速、分离效果好,样品用量只需要100μL;Cr(Ⅵ)的检出限达到2μg/L。
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