Structural variation within uraniumVI heterocyclic carboxylates: Solid and solution states studies

Electrochemical synthesis of Alizarin Red S doped polypyrrole and its applications in designing a novel silver (I) potentiometric and voltammetric sensor

“…3, maximum preconcentration efficiency for silver (I) ion occurs at an applied potential of − 0.6 V. The reason for lower preconcentration efficiency at potentials more positive than −0.6 V is due to incomplete reduction of PPy which results in less preconcentration of silver species into the membrane. It seems that the chelation ability of the carbonyl group is dominant than hydroxyl one [38,39]. Therefore, the lower efficiency at potentials more negative than −0.6 V may be due to the reduction of the carbonyl group to hydroxyl group at position 10 in ARS.…”

Syntheses, crystal, molecular structures, and solution studies of Cu(II), Co(II), and Zn(II) coordination compounds containing pyridine-2,6-dicarboxylic acid and 1,4-pyrazine-2,3-dicarboxylic acid: comparative computational studies of Cu(II) and Zn(II) complexes

“…The details were described in references [50][51][52][53][54][55]. The concentrations of 2a-4mpy, pyzdc, pydc, and 2-apy were 2.50 9 10 -3 M, for the potentiometric pH titrations of pyzdc, 2a-4mpy, pydc, 2-apy, pyzdc-2a-4mpy, and pydc-2-apy in the absence and presence of 1.25 9 10 -3 metal ions.…”

“…[OH -]) was calculated according to the literature [56]. According to our previous work [53][54][55], the potentiometric study of the pydc-Acr system was carried out in a 50% dioxane-50% water (v/v) solvent.…”

Syntheses and X-ray crystal structure studies of four new coordination complexes and salts based on proton-transferred pyridine-2,6-dicarboxylic acid N-oxide

“…In particular, the pyridine-2,6-dicarboxylic acid (hereafter denoted as H 2 pydc) by variable coordination modes can produce new coordination complexes with different metals and also proton transfer salts with diverse organic bases [18]. Recent studies show that the complexes of the vanadium [19,20] and cobalt [21] with H 2 pydc are effective in normalizing blood glucose level in diabetics or it can be used as a decontamination agent in nuclear reactors by chelating with heavy metals like uranium [22]. In many articles, it is also referred to as a germicidal agent in water [16,17].…”