Effective Enrichment and Simultaneous Quantitative Analysis of Trace Heavy Metal Ions Mixture in Aqueous Samples by the Combination of Radial Electric Focusing Solid Phase Extraction, UV-Vis Spectrophotometric Determination and Partial Least Squares Regression

2017 ◽  
Vol 228 (8) ◽  
Author(s):  
Yugao Guo ◽  
Xia Liu ◽  
Yelin Han ◽  
Xihui Bian ◽  
Qingyin Zhang
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