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Determination of Lead(II) in Liver Corpse of a Slaughtered Cattle with Preconcentration on a Chelating Sorbent
Department of Analytical Chemistry, Faculty of Chemistry, Baku State University, Baku, Azerbaijan
Department of the General and Toxicological Chemistry, Faculty of Pharmacology, Azerbaijan Medical University, Baku, Azerbaijan
Department of Analytical Chemistry, Faculty of Chemistry, Baku State University, Baku, Azerbaijan
Department of the General and Toxicological Chemistry, Faculty of Pharmacology, Azerbaijan Medical University, Baku, Azerbaijan
Department of Analytical Chemistry, Faculty of Chemistry, Baku State University, Baku, Azerbaijan
- 1 Department of Analytical Chemistry, Faculty of Chemistry, Baku State University, Baku, Azerbaijan
- 2 Department of the General and Toxicological Chemistry, Faculty of Pharmacology, Azerbaijan Medical University, Baku, Azerbaijan
- 3 Department of Analytical Chemistry, Faculty of Chemistry, Baku State University, Baku, Azerbaijan
- 4 Department of the General and Toxicological Chemistry, Faculty of Pharmacology, Azerbaijan Medical University, Baku, Azerbaijan
- 5 Department of Analytical Chemistry, Faculty of Chemistry, Baku State University, Baku, Azerbaijan
American Journal of Analytical Chemistry·Volume 07 (2016)·Pages 617–622·Published 27 July 2016·DOI10.4236/ajac.2016.78057
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Abstract
The copolymer of the maleic anhydride-styrene is modified at the presence of 4-amino-2-thiouracil and formaldehyde and the new polymeric sorbate with spatial structure is received. The received sorbate is identified by the IR-spectroscopy method. The complete static sorption capacitance was studied (CSSC<sup>+</sup><sub style="margin-left:-5px;">K</sub>= 7.8 mmol/g) and the ionization constants of ionic groups in a sorbate link was defined by electrometric method. Ionization constants were determined by potentiometric titration of the sorbent ( ). Sorption and desorption of the received sorbent with a lead ion (II) are investigated and optimum concentration conditions are defined: рН opt. = 5, ionic force μ = 0.8 pier/l, full sorption balance 4 hours, optimum eluent 5 ml of 0.5 M HCl.
KeywordsSorption CapacityPreconcentrationPolymeric SorbateLead(II)
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