Calcium(II) and Magnesium(II) Binding by L-Serine Orthophosphate in Aqueous Solutions
- 1 July 1971
- journal article
- Published by Canadian Science Publishing in Canadian Journal of Chemistry
- Vol. 49 (13) , 2359-2364
- https://doi.org/10.1139/v71-381
Abstract
The dissociation of L-serine orthophosphate (H3L) and its complexation reactions with calcium(II) and magnesium(II) have been studied by potentiometric titration at 37 °C in the 0.15 mol l−1 potassium nitrate medium and (with the exception of calcium(II) complexation) in the 0.15 mol l−1 tetraethylammonium bromide medium. A least squares interpretation of the data has yielded dissociation constants for H3L and equilibrium constants for the formation of the 1:1 metal–ion complexes MH2L+, MHL, and ML−. In addition the dimeric species H5L2−, MH3L2−, and M2H2L2 are consistent with the data and equilibrium constants for their formation have been determined.Keywords
This publication has 0 references indexed in Scilit: