Research Article

Solid-Phase Extraction of Trace Amounts of Uranium(VI) in Environmental Water Samples Using an Extractant-Impregnated Resin Followed by Detection with UV-Vis Spectrophotometry

Table 1

Effect of type and concentration of eluting acid on recovery of U(VI) ions ( ).

EluentVolume (mL)Concentration (M)Recovery (%)

HNO3100.583.1
HNO3101.087.5
HCl101.098.9
HCl100.598.9
HCl51.098.8
HCl50.598.9
HCl50.494.6
H2SO4100.592.3
H2SO451.094.0
H2SO452.093.8
HAC100.538.1
HAC101.040.8