caa a22 4500 463220293 CHVBK 20180405153210.0 cr unu---uuuuu 170326e20070501xx s 000 0 eng 10.1134/S1061934807050164 doi (NATIONALLICENCE)springer-10.1134/S1061934807050164 Amylose and amylopectin as reagents for the flow-injection determination of elemental iodine [Elektronische Daten] [V. Kuznetsov, Yu. Ermolenko, L. Seffar] The complexation reactions of elemental iodine with amylopectin and amylose were studied under flow conditions with spectrophotometric signal detection. It was found that the average hydrodynamic molecular weights of amylose and amylopectin are 260 000 and 430 000, whereas the coefficients of sedimentation are 3.44 × 10−13 and 7.15 × 10−13 s, respectively. It was demonstrated that the optimum configuration of a flow system depends on the properties of polymer reagent solutions, their viscosity, and the different effects of clath-rate formation with iodine. It was found that the reaction somewhat accelerated in the presence of iodide ions, and amylose as a reagent exhibited the best properties, when the calibration function was described by a linear regression equation. The throughput capacity of this technique was as high as 220 or 140 samples per hour with the use of amylose or amylopectin, respectively. The technique is suitable for the direct determination of elemental iodine in seawater and salt. The detection limit of iodine with amylose was as low as 40 ng/mL. Pleiades Publishing, Ltd., 2007 Kuznetsov V. Mendeleev University of Chemical Technology, Miusskaya pl. 9, 125047, Moscow, Russia aut Ermolenko Yu Mendeleev University of Chemical Technology, Miusskaya pl. 9, 125047, Moscow, Russia aut Seffar L. Mendeleev University of Chemical Technology, Miusskaya pl. 9, 125047, Moscow, Russia aut Journal of Analytical Chemistry Nauka/Interperiodica 62/5(2007-05-01), 479-485 1061-9348 62:5<479 2007 62 10809 https://doi.org/10.1134/S1061934807050164 text/html Onlinezugriff via DOI 1 research-article jats NATIONALLICENCE 856 40 https://doi.org/10.1134/S1061934807050164 text/html Onlinezugriff via DOI NATIONALLICENCE 700 1- Kuznetsov V. Mendeleev University of Chemical Technology, Miusskaya pl. 9, 125047, Moscow, Russia aut NATIONALLICENCE 700 1- Ermolenko Yu Mendeleev University of Chemical Technology, Miusskaya pl. 9, 125047, Moscow, Russia aut NATIONALLICENCE 700 1- Seffar L. Mendeleev University of Chemical Technology, Miusskaya pl. 9, 125047, Moscow, Russia aut NATIONALLICENCE 773 0- Journal of Analytical Chemistry Nauka/Interperiodica 62/5(2007-05-01), 479-485 1061-9348 62:5<479 2007 62 10809 Metadata rights reserved Springer special CC-BY-NC licence nationallicence BK010053 XK010053 XK010000 NATIONALLICENCE NATIONALLICENCE NL-springer