Study on determination of dic in seawater by coulometric method

Springer Science and Business Media LLC - Tập 15 - Trang 357-362 - 2013
Ji Lei1, Lu Xian-kun2
1Chemicals & Minerals Lab., CCIB, Shandong, Qingdao
2Chemistry Department of Ocean University of Qingdao, Qingdao

Tóm tắt

The complete analytical procedure using coulometric titration to determine dissolved inorganic carbon (DIC) in seawater consists of studying the setup of the coulometric titration, the solution composition of the coulometer cell, correctly judging the titration end—point, and establishing (and evaluating the accuracy of) the DIC determination system.

Tài liệu tham khảo

ASTM D513-82. Standard test methods for carbon dioxide and bicarbonate and carbonate ions in water. Boniface, H. J., Jerkins, R. H., 1971. The determination of carbon in steel by coulometer titration in partially aqueous medium.Analyst 96: 37–46. Braid, P., Hunter, J. A., Massie, W. H. S. et al., 1966. An examination of some of the factors affecting the determination of CO2 by non-aqueous titrimetry.Analyst. 91: 439–444. Catherine, G., Snouer, A. K., 1993. High-accuracy measurements of total dissolved inorganic carbon in the ocean: comparison of alternate detection methods.Marine Chemistry.44: 235–242. Catherine, G., Hacker, S. D., 1992. Procedure for calibration of a coulometric system used for total inorganic carbon measurements of seawater.Marine Chemistry.38: 37–51. Cotman, C., Shreiner, W., Hickey, J. et al., 1965. The coulometric titration of weak acids in non-aqueous media.Talanta 12: 17–19. Fritz, J. S., Gainer, F. E., 1968. Coulometric titration of acid in non-aqueous solvents.Talanta.15: 939–948. Grant, J. A., Hunter, J. A., Massie, W. H. S., 1963. The determination of CO2 by non-aqueous titrimentry.Analyst. 88: 134–139. IUPAC, 1969. Sodium carbonate & sulphamic acid as acid-base primary standards.Pure & Applied Chemistry.18: 4445–455. Johnson, K. M., King, A. E., Sieburth, J. M., 1985. Coulometric TCO2 analysis for marine studies: an introduction.Marine Chemistry.16: 61–82. Johnson, K. M., Sieburth, J. M., Williams, P. J. L., et al., 1987. Coulometric TCO2 analysis for marine studies: automations & calibration.Marine Chemistry 21: 117–133. Johnson, K. M., Wills, K. D., Butler, D. B. et al., 1993. Coulometric total carbon dioxide analysis for marine studies: maximizing the performance of an automated gas extraction system and coulometric detector.Marine Chemistry.44: 167–187.