Evaluation of the activity coefficients of some sulfonated azo dyes and of their complexes with metal ions

1992 ◽  
pp. 107 ◽  
Author(s):  
Maria Pesavento ◽  
Antonella Profumo
Keyword(s):  
Metal Ions ◽  
Activity Coefficients ◽  
Azo Dyes ◽  
Complexes With Metal Ions ◽  
Sulfonated Azo Dyes

Synthesis of N2, N6-bis(5-methylthiazol-2-yl)pyridine-2,6-dicarboxamide fluoroscent sensor for detection of Cu2+ and Ni2+ Ions

Drug Research ◽  
2021 ◽  
Author(s):  
Anuroop Kumar ◽  
Netrapal Singh ◽  
Mordhwaj Kumar ◽  
Uma Agarwal
Keyword(s):  
Spectral Analysis ◽  
Detection Limit ◽  
Metal Ions ◽  
1H Nmr Spectroscopy ◽  
Stoichiometric Ratio ◽  
Selective Detection ◽  
Ft Ir ◽  
Uv Visible ◽  
Complexes With Metal Ions ◽  
Competitive Ions

AbstractThis article reports an amide based Chemosensor used for selective detection of divalent Cu+2 and Ni+2 ions via Fluorescence turn off. The selective sensing ability of Chemosensor was investigated in presence of different metal ions Mg2+, Ag+, Fe2+, K+, Cu2+, Ni2+, Hg2+, Pb2+, Mn2+, Pd2+, Cd2+ and Mn3+ as competitive ions. The receptor i. e. Chemosensor formed complexes with metal ions in 1:1 stoichiometric ratio. The detection limit and binding constant calculated as 1.92×10–4 and 1.4×10–4 M and 2.16×103 M−1 and 3.09×103 M−1 for Cu2+ and Ni2+ions respectively. The complexes were characterized by UV/visible, FT-IR, 13C NMR and 1H NMR spectroscopy. Further the structure and Crystallinity were calculated by P-XRD spectral analysis. The crystallinity found to be 65.27 and 67.87% respectively

NMR and potentiometric studies of 1,4,7-triazacyclononane-N,N′,N″-tris(methylenephosphonate monoethylester) and its complexes with metal ions

1992 ◽  
Vol 195 (1) ◽  
pp. 89-93 ◽  
Author(s):  
Istvan Lazar ◽  
Ravichandran Ramasamy ◽  
Erno Brücher ◽  
Carlos F.G.C. Geraldes ◽  
A.Dean Sherry
Keyword(s):  
Metal Ions ◽  
Potentiometric Studies ◽  
Complexes With Metal Ions

Determination of sulfonated azo dyes in chili powders by MALDI-TOF MS

2019 ◽  
Vol 411 (22) ◽  
pp. 5833-5843 ◽  
Author(s):  
Missael Antonio Arroyo Negrete ◽  
Kazimierz Wrobel ◽  
Eunice Yanez Barrientos ◽  
Alma Rosa Corrales Escobosa ◽  
Francisco Javier Acevedo Aguilar ◽  
...  
Keyword(s):  
Azo Dyes ◽  
Maldi Tof Ms ◽  
Maldi Tof ◽  
Tof Ms ◽  
Sulfonated Azo Dyes

Spectral and theoretical study of 2-methyl-3-{[(Z)-3-methyl-5-oxo-1-phenylpyrazol-4-ylidene)methyl]amino}quinazolin-4-one and its complexes with metal ions M(II)

2015 ◽  
Vol 85 (7) ◽  
pp. 1706-1712 ◽  
Author(s):  
L. D. Popov ◽  
S. A. Borodkin ◽  
Yu. P. Tupolova ◽  
M. E. Kletskii ◽  
O. N. Burov ◽  
...  
Keyword(s):  
Metal Ions ◽  
Theoretical Study ◽  
Complexes With Metal Ions

Synthesis of 3-butanoyl- and 3-benzoyl-4-hydroxy-3-pyrrolin-2-ones and their complexes with metal ions

1990 ◽  
Vol 39 (4) ◽  
pp. 307-316 ◽  
Author(s):  
Olga Markopoulou ◽  
John Markopoulos ◽  
David Nicholls
Keyword(s):  
Metal Ions ◽  
Complexes With Metal Ions

Effects of metal ions on the interaction between polyethylenimine and azo dyes carrying hydroxyl groups

1985 ◽  
Vol 23 (1) ◽  
pp. 255-259 ◽  
Author(s):  
Toru Takagishi ◽  
Kiyoaki Yoshikawa ◽  
Sadatsugu Okuda ◽  
Nobuhiko Kuroki ◽  
Hiroshi Kozuka
Keyword(s):  
Metal Ions ◽  
Azo Dyes ◽  
Hydroxyl Groups
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