Synthesis and characterization of cerium citric and tartaric complexes

CeO2 Buffer Layers for HTSC by an Aqueous Sol‐Gel Method – Chemistry and Microstructure

“…[16] Cerium(III) ions will interact with citric acid, forming complexes with this multidentate ligand. [17] Hancock and Martell listed a chemical model for this metal ion, using the protonation constants of citric acid determined by Martell et al [18] Unfortunately no hydroxo complex species were defined. Therefore a more accurate determination of the stability constants over the whole pH region was necessary for this study.…”

Corrosion of aluminium and aluminium alloy in ethylene glycol–water mixtures

“…It confirms the rather complicated nature of the obtained product. Based on literature data on NMR spectra of metal complexes formed in CA-EG medium [23] or in pure EG [24] it appears that the formed precipitate contains EG bonded both as adduct (confirmed by the most intensive shift at 3.4-3.5 ppm) and as a glycolic acid ester (the shift at 4.37 ppm can be ascribed to -CH 2 -Ofrom esterified EG). The X-ray diffractogram of the precipitate formed when heating aluminum in EG-water solution is shown in Fig.…”

Synthesis, structures and properties of two new chiral rare earth-organic frameworks constructed by l/d-tartaric acid

“…The hydrogen bonding interactions enhance the stability of 2D structure. Compared to reported compounds [43,44,50,51], compound L-1 is the first lanthanide organic open framework constructed from tartaric acid and ethanediol ligands with a 2D wavy chiral dilayer structure.…”

“…Compared to the polymerized complex method [43], the problems associated with solubility can be well-solved under relatively high temperature and pressure; thus the reactivity of reactants in the crystallization process is efficiently enhanced. The preparation of L-1 and its enantiomer D-1 demonstrated the success of hydrothermal method in the formation of stable 2D networks in lanthanide tartrate system.…”

“…So far a few examples of rare earth tartrate are known. Athar et al [40], Thushari et al [41], Yan et al [42] and Todorovsky et al [43] reported the synthesis of lanthanide tartrates with different framworks, respectively.…”