Research Article

Flame Atomic Absorption Determination of Gold Ion in Aqueous Samples after Preconcentration Using 9-Acridinylamine Functionalized γ-Alumina Nanoparticles

Table 1

The tolerance limit of the diverse ions on the determination of gold.

Interfering ionsConcentration g mL−1

Na+2000
K+3000
Cs+2000
Ca2+500
Mg2+500
Cd2+200
Pb2+100
Cu+250
Cr3+200
Fe2+300