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Preparation of a chelating resin and its application as a preconcentration system for determination of cadmium in river water by flow injection analysis
Amran M.B.a, Panggabean A.S.b, Sulaeman A.a, Rusnadi M.a
a Analytical Chemistry Research Division, Faculty of Mathematics and Natural Sciences, Institut Teknologi Bandung, Indonesia
b Department of Chemistry, University of Mulawarman, Indonesia
[vc_row][vc_column][vc_row_inner][vc_column_inner][vc_separator css=”.vc_custom_1624529070653{padding-top: 30px !important;padding-bottom: 30px !important;}”][/vc_column_inner][/vc_row_inner][vc_row_inner layout=”boxed”][vc_column_inner width=”3/4″ css=”.vc_custom_1624695412187{border-right-width: 1px !important;border-right-color: #dddddd !important;border-right-style: solid !important;border-radius: 1px !important;}”][vc_empty_space][megatron_heading title=”Abstract” size=”size-sm” text_align=”text-left”][vc_column_text]A chelating resin of polystyrene divinylbenzene resin functionalized by 1-(2-pyridylazo) 2-naphtol (PSDVB-PAN) has been synthesized and its sorption properties have been investigated for preconcentration and determination of cadmium at μg/L level by flame atomic absorption spectrometry. The procedure is based on the sorption of Cd(II) ions on a minicolumn of synthesized chelating resin. The retained cadmium ions can be quickly eluted from sorbent material, with the eluent stream consisting of nitric acid solution, directly to the nebulizer burner system of the flame atomic absorption spectrometer. The sorption capacity of PSDVB-PAN was found to be 7.5 mg/g at optimum pH and the chelating resin showed rapid kinetic sorption. The sorption equilibrium of Cd(II) on synthesized chelating resin was achieved just in 15 minutes. Parameters such as the pH effect on the cadmium sorption, sample volume, the sorption capacity of resin, the cadmium desorption from nie resin and the analytical characteristics of the procedure were studied for the quantitative recoveries of the anaryte ions. The developed system allowed a throughput rate of 15 samples h-1 with a detection limit of 1.5 μg/L. Relative standard deviation for 5 replicated injections of 50 μg/L was 1.8%. This procedure was applied for cadmium determination in river water samples collected from Citarum River, West Java, Indonesia.[/vc_column_text][vc_empty_space][vc_separator css=”.vc_custom_1624528584150{padding-top: 25px !important;padding-bottom: 25px !important;}”][vc_empty_space][megatron_heading title=”Author keywords” size=”size-sm” text_align=”text-left”][vc_column_text][/vc_column_text][vc_empty_space][vc_separator css=”.vc_custom_1624528584150{padding-top: 25px !important;padding-bottom: 25px !important;}”][vc_empty_space][megatron_heading title=”Indexed keywords” size=”size-sm” text_align=”text-left”][vc_column_text]Cadmium,Chelating resin,Flow injection analysis,PAN,Pre-concentration[/vc_column_text][vc_empty_space][vc_separator css=”.vc_custom_1624528584150{padding-top: 25px !important;padding-bottom: 25px !important;}”][vc_empty_space][megatron_heading title=”Funding details” size=”size-sm” text_align=”text-left”][vc_column_text][/vc_column_text][vc_empty_space][vc_separator css=”.vc_custom_1624528584150{padding-top: 25px !important;padding-bottom: 25px !important;}”][vc_empty_space][megatron_heading title=”DOI” size=”size-sm” text_align=”text-left”][vc_column_text][/vc_column_text][/vc_column_inner][vc_column_inner width=”1/4″][vc_column_text]Widget Plumx[/vc_column_text][/vc_column_inner][/vc_row_inner][/vc_column][/vc_row][vc_row][vc_column][vc_separator css=”.vc_custom_1624528584150{padding-top: 25px !important;padding-bottom: 25px !important;}”][/vc_column][/vc_row]