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New complexanes .45. Acid-base and chelate-forming properties of surface-active complexanes of the type of 2-alkyl-nitrilotriacetic acids

S. Lubkeová, P. Balgavý, E. Fuleová, V. Novák, M. Svičeková, and I. Valášková and J. Majer

Department of Analytical Chemistry, Faculty of Pharmacy, Komenský University, CS-832 32 Bratislava

 

Abstract: In this study, the acid-base and chelate-forming properties of surface-active complexanes of the type of 2-alkyl-nitrilotriacetic acids have been investigated by the use of l H NMR spectroscopy, potentiometry, polarography, and paper electrophoresis. The values of dissociation constants and stability constants obtained for 25 bivalent and trivalent ions give evidence that the investigated substances preserve the chelate-forming properties of the original complexone NTA.

Full paper in Portable Document Format: 393a317.pdf

 

Chemical Papers 39 (3) 317–327 (1985)

Monday, February 06, 2023

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