Flow injection on-line sorption preconcentration of trace amounts of copper and manganese in a knotted reactor precoated with 1-phenyl-3-methyl-4-benzoylpyrazol-5-one coupled with electrothermal atomic absorption spectrometry

1999 ◽  
Vol 14 (6) ◽  
pp. 957-961 ◽  
Author(s):  
Karima Benkhedda ◽  
Elissaveta Ivanova ◽  
Freddy Adams

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