Trivalent chromium occurs in water in the form of cation, and hexavalent chromium occurs in the form of anion. Ion number, embankment mass and the contents of ash in the analysed sorbents were also examined. The process was carried out in static conditions....
For M = Cr, oxidation of the persistent radical to the cation is directly observed at a potential ca. 1.0 V more positive than the anion oxidation potential. For M = Mo and W, oxidation of the 17-electron radicals cannot be directly observed due to the rapid follow-up dimerization ...
The rapid reaction of Co(CN) 5N 3 3 with nitrious acid in the presence of Cr)OH 2) 5CN 2+ produces (H 2O) 5CrCNCo(CN) 5. The two binuclear complexes were separated and purified by cation and anion exchange procedures. The orientation of the bridging cyanide in the isomeric ...
5 Coexisting ions Initial concentration of anion (NO3-, CO32− or HCO3-)=5 and 15 mg/L Initial concentration of cation (Co2+, Cu2+, Mn2+, Ni2+ or Zn2+)=5 mg/L 6 NOM Initial humic acid or tannic acid=0, 5, 10, 20 and 40 mg/L 7 Salinity NaCl: 0, 0.5, 1, 5, 10,...
A hybrid DFT based investigation of the photocatalytic activity of cation–anion codoped SrTiO3 for water splitting under visible light In this study, the effect of cation (Mo or W) and anion (N) codoping on the band structure of SrTiO3is investigated to improve its photocatalytic activity ....
The cation and anion combine to form an ionic compound. The formula of an ionic compound can be written by crossover rule. The crossover rule can be represented as below. Answer and Explanation: Explanation of Part (A) The formu...
The immobilization of N-methylimidazolium (Nmim) onto PVC surface forms bonded hydrophilic ionic liquid 1-chlorovinyl-3-methylimidazolium chloride (PVC-NmimCl), which entails anion exchange nature and positively charged surface, facilitating favorable retention of Cr(vi) with a retention capacity of 23...
organization at the interface between the cation and anion layers shows that this difference is responsible for the two different BEDT-TTF packing motifs, as a consequence of weak H-bonding interactions between the terminal ethylene groups in the donor and the [M(C(2)O(4))(3)](3-) oxygen...
To parameterize the atomic-scale interaction energies and activation barriers for cation mobilities, we first evaluated a large set of oxide configurations using density functional theory (DFT). Based on these data, a surrogate model was trained to enable rapid evaluation of diffusion barriers in any...
To balance a chemical equation, enter an equation of a chemical reaction and press the Balance button. The balanced equation will appear above. Use uppercase for the first character in the element and lowercase for the second character. Examples: Fe, Au, Co, ...