Các thí nghiệm đơn giản nào có thể được thực hiện để minh họa tính chất của ion SO42-?

The physicochemical properties and catalytic activity of pure and sulfated titanium oxide (TiO2 and ) is described in this work. Titanium hydroxide synthesized ... ... The infrared (FTIR) spectrum of Zn-abietate presents a band at 1161 cm − 1 assigned to SO 4 2− stretching vibrations due to the zinc sulfate used in the ... Enhanced activity and stability of SO42−/ZrO2 by addition of Cu combined with CuZnOZrO2 for direct synthesis of dimethyl ether from CO2 hydrogenation. It is the first example to verify that SO 4 2− ions can act as a nucleophilic reagent for the preparation of organosulfates. May 16, 2011 ... ... SO42−, NO3−, Cl−, Br−, and H2O. Journal of Geophysical Research, 107 (D14). ACH 14-1-ACH 14-14. ISSN 0148-0227. Full text not available ... Apr 3, 2023 ... ... SO42–/HSO4– and Cl– anions on smooth and rough surfaces of noble metal electrodes by in-situ radiotracer thin gap method. Journal of ... Sep 1, 2022 ... We develop a ratiometric Raman spectroscopy method to measure the equilibrium concentration of sulfate (SO 4 2– ) and bisulfate (HSO 4 – ) in single ... Jun 24, 2024 ... In Fig. S1, we identify the character of the bands of. CuAg(SO4)2 near the Fermi level by showing the Ag 4d and Cu 3d orbital weights, ... In this study, fly ash (FA), an industrial byproduct rich in acid/base sites, was chosen as a support material for the solid acid SO42−/ZrO2 (SZ) in the ... ... SO42-, and As(V) to sequester As(III) by incorporation into iron sulfides ... SO42- and PO43- rather than Fe levels in our study. An As speciation ...