Figure 10. Graphical presentation of the titration of 110 ml of 0.001 M Mg²⁺ + 0.001 M Ca²⁺, with standard 0.02 M EDTA in an ammoniacal solution (0.91 M NH₃ + 0.012 M NH₄Cl; pH ≈ 10.2) in presence of Eriochrome Black T as indicator. Reference horizontal lines of ordinate -logβ₁’(EBT^Ca) = -3.83 and -logβ₁’(EBT^Mg) = -5.14 are also shown. Simulation has been performed with MS Windows Forms application attached to

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Understanding Complexometric Titrations of Metal Cations with Aminopolycarboxylic Acids (EDTA and Analogs) within the frame of the Notion of Reactions between Groups of Chemical Species

Maria Michela SALVATORE, Francesco SALVATORE

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