Synthesis and Characterization of New Triazole Ligand with Some Transition Metals

2021 ◽  
Vol 19 (7) ◽  
pp. 137-143
Author(s):  
Maream Mamoon ◽  
Suad T. Saad ◽  
Nour Abd Alrazzak

The work includes synthesis and characterization of new ligand and its complexes with divalent metal ions such as cobalt, nickel, copper and zinc. This project includes firstly, the synthesis of Schiff base by reacting P-aminoacetophenone with 2-amino-6-methylpyridine by the reflux reaction for 6 hr. and at 70 ° C. The second step involves the synthesis azo-Schiff base containing ligand which was prepared by the reaction of the Schiff base with the heterocyclic 1,2,4-triazole. The prepared ligand was characterized using spectroscopic methods such as Infrared spectrum, UV-visible spectrum, 1HNMR and 13CNMR spectrum. In the third step, the ligand complexes were prepared by the reaction between the ligand and the metal ion salts to obtain the related metal complex. Some properties of the prepared compounds were studied such as the solubility. The prepared complexes were characterized using IR spectroscopy, UV-Visible, conductivity, magnetic sensitivity, and the atomic absorption technique was used to determine the percentage of each metal in its complex.

2012 ◽  
Vol 602-604 ◽  
pp. 917-920 ◽  
Author(s):  
Zhen Hui Xiao ◽  
Shui Sheng Wu ◽  
Yan Lin Sun ◽  
Yu Lin Zhao ◽  
Ya Ming Wang

Graphene was synthesized by microwave-hydrothermal chemical reduction of graphite oxide using hydrazine hydrate as the reducing agent. Graphene was characterized using X-ray diffraction, UV-visible spectrum, FT-IR spectrum and scanning electron microscopy. Results indicated that the as-prepared graphene was wrinkled and comprised fewer graphenes with a highly crystalline structure.


NANO ◽  
2009 ◽  
Vol 04 (03) ◽  
pp. 147-156 ◽  
Author(s):  
M. FATHIMA PARVEEN ◽  
S. UMAPATHY ◽  
V. DHANALAKSHMI ◽  
R. ANBARASAN

Nano- Mg(OH) 2 was synthesized by co-precipitation method. Peaks between 500 and 1250 cm-1 in FTIR spectroscopy confirmed the presence of metal hydroxide stretching. TGA inferred that above 600°C, 50% of residue weight remained. HRTEM of nanocomposite gave an idea about the nonspherical morphology of particles of size 25 nm to 30 nm. SEM inferred that flower-like morphology for pristine Mg(OH) 2 and higher % weight of aniline-intercalated Mg(OH) 2 had agglomerated structure. UV visible spectrum inferred the presence of Mg 2+ ion at 275 nm and the presence of amino-group-intercalated Mg(OH) 2, which had a sharp peak at 193 nm and the intensity of which increases with the increase in % weight of aniline. PL inferred that aniline-intercalated Mg(OH) 2 showed a lower intensity of which increased with higher wavelength value than the pristine and nanocomposite with PVA.


2012 ◽  
Vol 9 (2) ◽  
pp. 191-195
Author(s):  
SHAHRIAR GHAMMAMY ◽  
SAJJAD SEDAGHAT

We describe the synthesis and characterization of a new silver (I) complex of the Schiff base ligand (E) - N-(3-nitrobenzylidene) is onicotinohydrazide that abbreviated as NNBIH was synthesized and characterized. Ag (I) Metal complex of this Schiff base ligand prepared by reaction of nitrate salt of Ag (I) with NNBIH. Characterization of the ligand was made by microanalyses, FT-IR, UV–Visible spectroscopy and its complex was made by microanalyses, FT-IR and UV–Visible spectroscopy. TG- DTA and other analytical methods have been applied to the investigation of the thermal behavior and Structure of the compound [Ag(NNBIH)2]+. Thermal decomposition of these compounds is multistage processes.


2021 ◽  
Vol 37 (1) ◽  
pp. 157-161
Author(s):  
Namita Bharadwaj ◽  
Jaishri Kaushik

The stability constant Kf for the complexation of Ag(Ⅰ) metal ion with Midodrine hydrochloride were determinedby spectrophotometric method at room temperature .The colored complexes were measured at 300 nm. The stability constant of the complexes were found to be 5.47 by mole ratio method. The stoichiometry of the complexes formed between the Midodrine drug and Ag (Ⅰ) metal ion are 1:1 M/L ratio. Silver conjugated Midodrine hydrochloride Nano synthesized and characterized by UV/Visible spectroscopy, SEM, XRD and FT-IR. The UV/Visible spectra of Midodrine –Ag nanoparticle in the range of 322 nm. XRD conformThe crystallite size of Midodrine - Ag (Ⅰ) nanoparticles are found to be 64.5 nmfrom Debye Scherer formula.Thecrystallinity of nanoparticles is Face centered cubic structure. SEM conform of particle size and surface morphology, FTIR analyzed involvement of -NH2 group in Midodrine is the stabilized of silver nanoparticle. This research is focuses on complexation, Nano synthesis and characterization of Drug-silver nanoparticle for antihypotention therapy.


Chemosphere ◽  
2021 ◽  
Vol 262 ◽  
pp. 128004
Author(s):  
Sayed Mukit Hossain ◽  
Heeju Park ◽  
Hui-Ju Kang ◽  
Jong Seok Mun ◽  
Leonard Tijing ◽  
...  

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