The contents of Li + and Rb + were measured by AAS with standard uncertainties of 0.50%; the concentration of SO 42– was determined using weighing titration analysis with a precision of 0.30%; (21) ...

Protonation of a free-base meso-pyrimidinyl-substituted AB2-corrole (H3AB2) in ethanol solution by stepwise addition of sulfuric acid has been studied in the temperature range from 293 to 333 K. The ...