Several studies have been carried out on single-pollutant adsorption, while substantial amounts of both dyes and metals are found together in the industrial wastewater1. Thus, a lot of attention was paid to the simultaneous removal of many coexisting mixed pollutants as dyes and heavy metal ions ...
The fluorescent intensities obtained for individual heavy metal treatments of C d2+ + P b2+, Pb2+ + Zn2+, Cd2+ + Zn2+, and Cd2+ + Zn2+ + P b2+are shown in light blue colour bars, light purple colour bars,...
Fig. 4: The low-energy magnetic excitation spectrum of PbCuTe2O6compared to theory. The colour maps ina,bshow the excitations measured at energy transferE = 0.5 meV and temperatureT < 0.1 K in the [h,h,l]- and [h,k, 0]–planes respectively. The [h,h,l]-map wa...
of {[Pb-8(mu(4)-O)(2)(mu(3)-OCH3)(6)Cl-2][Pb-4(mu(3)-OH)(4)](NO3)(8)} (1) and {[Pb-4(mu(3)-O)(mu(3)-OCH3)(3)](NO3)(3)} (2) were solvothermally synthesized, charactering cubane [Pb4O4] and [Pb8O8] building units extended by high-coordinated NO3-. The...
A colourless solution contains one type of ion. When one adds dilute HCl to it, a white precipitate initially forms. However, once more of the HCl solution is added, the precipitate dissolves. Explain What happens in a reaction ...