Chronoamperometric determination of free chlorine by using a wax-impregnated carbon electrode
作者： Hua-Ching Hu
DOI: 10.1002/J.1551-8833.1981.TB04667.X
关键词:
摘要: A rapid and sensitive electroanalytical method has been developed for measuring free chlorine in water by using a wax-impregnated carbon electrode. This can differentiate chlorine- the sum of OCI HOCI- from other combined species. Sodium dichloroisocyanurate, an active compound widely used swimming pool disinfection, was chosen as model system. The illustrates that when sodium dichloroisocyanurate is dissolved it only partially dissociated into chlorine, even at very low concentration. When isocyanuric acid added to solution containing concentration latter drops because formation chlorinated acids salts. equilibrium states both dissociation reactions are rapidly achieved.
awwa.org参考文章(9)
Arthur T. Palin, The Determination of Free and Combined Chlorine in Water by the Use of Diethyl-p
-phenylene Diamine Journal - American Water Works Association. ,vol. 49, pp. 873- 880 ,(1957) , 10.1002/J.1551-8833.1957.TB16870.X
Xavier Kowalski, Thomas B. Hilton, Comparison of chlorinated cyanurates with other chlorine disinfectants. Public Health Reports. ,vol. 81, pp. 282- 288 ,(1966) , 10.2307/4592694
J. Donald Johnson, Joseph W. Edwards, Frederick Keeslar, Chlorine Residual Measurement Cell: The HOCI Membrane Electrode Journal - American Water Works Association. ,vol. 70, pp. 341- 348 ,(1978) , 10.1002/J.1551-8833.1978.TB04186.X
H. C. Marks, G. L. Bannister, J. R. Glass, Elaine. Herrigel, Amperometric Methods in Control of Water Chlorination Analytical Chemistry. ,vol. 19, pp. 200- 204 ,(1947) , 10.1021/AC60003A022
H. A. Laitinen, D. E. Woerner, Amperometric Titrations with Hypochlorite in Presence of Bromide Analytical Chemistry. ,vol. 27, pp. 215- 217 ,(1955) , 10.1021/AC60098A011
J. Gardiner, Chloroisocyanurates in the treatment of swimming pool water Water Research. ,vol. 7, pp. 823- 833 ,(1973) , 10.1016/0043-1354(73)90098-5
K.M. Sancier, A.P. Brady, W.W. Lee, Absorption spectra of solutions of cyanuric acid and its chlorinated derivatives Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy. ,vol. 20, pp. 397- 403 ,(1964) , 10.1016/0371-1951(64)80037-0
A. P. Brady, K. M. Sancier, Gloria. Sirine, Equilibria in Solutions of Cyanuric Acid and its Chlorinated Derivatives Journal of the American Chemical Society. ,vol. 85, pp. 3101- 3104 ,(1963) , 10.1021/JA00903A011
Francis J. Hallinan, Tests for Active Residual Chlorine and Chloramine in Water Journal - American Water Works Association. ,vol. 36, pp. 296- 302 ,(1944) , 10.1002/J.1551-8833.1944.TB19987.X