scholarly journals Flame atomic absorption spectrometry determination of trace amount of gold after separation and preconcentration onto ion-exchange polyethylenimine coated on Al2O3

2014 ◽  
Vol 7 (5) ◽  
pp. 770-774 ◽  
Author(s):  
Daryoush Afzali ◽  
Zahra Daliri ◽  
Mohammad Ali Taher
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