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. 2023 Jul 20;13(32):21982–21990. doi: 10.1039/d3ra02707d

Metal–ligand stability constants determined from least square fits to spectroscopic titration data using HyperQuad22 (T = 25 °C).

Ligand Metal salt Solvent log β1:1 SDa log β1:2 SDa
1 Eu(NO3)3 H2O 7.05 0.034 12.37 0.142
1 Tb(NO3)3 H2O 6.58 0.026 12.01 0.079
a

Standard deviation determined by the fitting process.