Summary
Polarographic Behaviour of Alizarincomplexan, Anodic Wave and Its Analytical Applications
The polarographic DPP and DC techniques have been utilized to carry out the study of the anodic wave of alizarincomplexan (AC) in aqueous medium. At pH>5.7 the anodic current is produced by the complex formed between the AC and Hg(II) proceeding from the dropping electrode. At pH=7.3 theE 1/2 of this anodic wave is 0.000 V vs. Ag/AgCl. The main characteristics of the wave have been studied, and the corresponding electrode mechanism process is proposed. Since Hg(II) forms a complex with AC, a method for the amperometric determination of Hg(II) is proposed. We have also studied the analytical possibilities for doubly charged ions which form complexes with the reagent, and an amperometric method for Co(II) determination is also proposed.
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Sánchez Misiego, A., García-Moncó Carra, R., Guiberteau Cabanillas, A. et al. Polarographic behaviour of alizarincomplexan, anodic wave and its analytical applications. Mikrochim Acta 86, 469–478 (1985). https://doi.org/10.1007/BF01206916
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DOI: https://doi.org/10.1007/BF01206916