Acid/base regulated syntheses of different 1D coordination chains for selective mercury removal from aqueous solution

2022 ◽  
pp. 122908
Author(s):  
Kaiyue Li ◽  
Haitao Han ◽  
Guoshuai Zhang ◽  
Xiaofei Zhu ◽  
Wuping Liao
Keyword(s):  
Aqueous Solution ◽  
Mercury Removal ◽  
Acid Base

The influence of β-cyclodextrin on acid–base and tautomeric equilibrium of fluorescein dyes in aqueous solution

2010 ◽  
Vol 345 (13) ◽  
pp. 1882-1890 ◽  
Author(s):  
Larisa N. Bogdanova ◽  
Nikolay O. Mchedlov-Petrossyan ◽  
Natalya A. Vodolazkaya ◽  
Alexander V. Lebed
Keyword(s):  
Aqueous Solution ◽  
Tautomeric Equilibrium ◽  
Acid Base ◽  
Fluorescein Dyes

Toward novel sulphur-containing derivatives of tetraazacyclododecane: synthesis, acid–base properties, spectroscopic characterization, DFT calculations, and cadmium(ii) complex formation in aqueous solution

2020 ◽  
Vol 44 (20) ◽  
pp. 8337-8350 ◽  
Author(s):  
Marianna Tosato ◽  
Marco Verona ◽  
Riccardo Doro ◽  
Marco Dalla Tiezza ◽  
Laura Orian ◽  
...  
Keyword(s):  
Aqueous Solution ◽  
Complex Formation ◽  
Dft Calculations ◽  
Spectroscopic Characterization ◽  
Acid Base ◽  
Derivatives Of ◽  
Base Properties

New sulphur derivatives of cyclen, with potential complementary properties with respect to known compounds, have been synthesized and studied.

Influence of pH on the Absorption and Fluorescence Spectra of 6,7-Dihydroxycoumarin in Aqueous Solution

1982 ◽  
Vol 37 (3) ◽  
pp. 262-265 ◽  
Author(s):  
Jerzy Grzywacz ◽  
Stanisława Taszner
Keyword(s):  
Aqueous Solution ◽  
Fluorescence Spectra ◽  
Singlet State ◽  
Ph Value ◽  
Emission Spectra ◽  
Excited Singlet ◽  
Acid Base ◽  
Wide Ph Range ◽  
Ph Range ◽  
Influence Of Ph

Abstract Absorption and emission spectra of 6,7-dihydroxycoumarin [6,7-DHC] in aqueous solution over a wide pH range are reported. The absorption spectra proved to be strongly sensitive to the pH-value of the solution, whereas the emission spectra change in this range only insignificantly. An interpretation is attempted on the basis of the differences of the acid-base properties of the 6,7-DHC molecule in its ground and excited singlet state. For this purpose the pKa's and pKax's values have been calculated. It has been stated that in the excited state the phototautomer form is very unlikely.

Acid−Base and Electrochemical Properties of the MLCT Excited States and One-Electron-Reduced Forms of Ruthenium(II) Complexes Containing 2-(2‘-Pyridyl)pyrimidine and 2,2‘-Bipyridine in Aqueous Solution

1997 ◽  
Vol 36 (11) ◽  
pp. 2252-2257 ◽  
Author(s):  
Fiorella Casalboni ◽  
Quinto G. Mulazzani ◽  
Catherine D. Clark ◽  
Morton Z. Hoffman ◽  
Peter L. Orizondo ◽  
...  
Keyword(s):  
Aqueous Solution ◽  
Electrochemical Properties ◽  
Excited States ◽  
Acid Base ◽  
Reduced Forms
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