Determination of cadmium, lead and copper in water samples by flame atomic-absorption spectrometry with preconcentration by flow-injection on-line sorbent extraction

Talanta ◽  
1991 ◽  
Vol 38 (6) ◽  
pp. 613-619 ◽  
Author(s):  
Zhaolun Fang ◽  
Tiezheng Guo ◽  
Bernard Welz
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